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1996050720672 = 253219715137681
BaseRepresentation
bin11101000010111101111…
…001001110011110100000
321001211011012120200012100
4131002331321032132200
5230200402441030142
64124550102130400
7264131666120121
oct35027571163640
97054135520170
101996050720672
116aa57a65a878
12282a21420a00
131162c42c10b8
146c876180048
1536dc6425b4c
hex1d0bde4e7a0

1996050720672 has 144 divisors (see below), whose sum is σ = 6059176643520. Its totient is φ = 621453772800.

The previous prime is 1996050720659. The next prime is 1996050720683. The reversal of 1996050720672 is 2760270506991.

1996050720672 is a `hidden beast` number, since 1 + 9 + 9 + 60 + 507 + 2 + 0 + 6 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×19960507206723 (a number of 38 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2180329 + ... + 2957352.

It is an arithmetic number, because the mean of its divisors is an integer number (42077615580).

Almost surely, 21996050720672 is an apocalyptic number.

1996050720672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1996050720672 is an abundant number, since it is smaller than the sum of its proper divisors (4063125922848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1996050720672 is a wasteful number, since it uses less digits than its factorization.

1996050720672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137787 (or 5137776 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 1996050720672 in words is "one trillion, nine hundred ninety-six billion, fifty million, seven hundred twenty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 71 72 76 96 114 142 144 152 171 213 228 284 288 304 342 426 456 568 608 639 684 852 912 1136 1278 1349 1368 1704 1824 2272 2556 2698 2736 3408 4047 5112 5396 5472 6816 8094 10224 10792 12141 16188 20448 21584 24282 32376 43168 48564 64752 97128 129504 194256 388512 5137681 10275362 15413043 20550724 30826086 41101448 46239129 61652172 82202896 92478258 97615939 123304344 164405792 184956516 195231878 246608688 292847817 364775351 369913032 390463756 493217376 585695634 729550702 739826064 780927512 878543451 1094326053 1171391268 1459101404 1479652128 1561855024 1757086902 2188652106 2342782536 2918202808 3123710048 3282978159 3514173804 4377304212 4685565072 5836405616 6565956318 6930731669 7028347608 8754608424 9371130144 11672811232 13131912636 13861463338 14056695216 17509216848 20792195007 26263825272 27722926676 28113390432 35018433696 41584390014 52527650544 55445853352 62376585021 83168780028 105055301088 110891706704 124753170042 166337560056 221783413408 249506340084 332675120112 499012680168 665350240224 998025360336 1996050720672