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2113321331120 = 245195347260023
BaseRepresentation
bin11110110000001011110…
…001000110100110110000
321111000211222220221002212
4132300023301012212300
5234111040230043440
64254502454231252
7305453033632436
oct36601361064660
97430758827085
102113321331120
1174528888514a
122a16ab055528
13124392ba185c
14743dcc02d56
1539e8b98d465
hex1ec0bc469b0

2113321331120 has 80 divisors (see below), whose sum is σ = 5173063069440. Its totient is φ = 800684704512.

The previous prime is 2113321331119. The next prime is 2113321331129. The reversal of 2113321331120 is 211331233112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×21133213311202 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113321331129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7997429 + ... + 8257451.

It is an arithmetic number, because the mean of its divisors is an integer number (64663288368).

Almost surely, 22113321331120 is an apocalyptic number.

2113321331120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113321331120 is an abundant number, since it is smaller than the sum of its proper divisors (3059741738320).

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

2113321331120 is a wasteful number, since it uses less digits than its factorization.

2113321331120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265402 (or 265396 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2113321331120 its reverse (211331233112), we get a palindrome (2324652564232).

The spelling of 2113321331120 in words is "two trillion, one hundred thirteen billion, three hundred twenty-one million, three hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 5347 10694 21388 26735 42776 53470 85552 101593 106940 203186 213880 260023 406372 427760 507965 520046 812744 1015930 1040092 1300115 1625488 2031860 2080184 2600230 4063720 4160368 4940437 5200460 8127440 9880874 10400920 19761748 20801840 24702185 39523496 49404370 79046992 98808740 197617480 395234960 1390342981 2780685962 5561371924 6951714905 11122743848 13903429810 22245487696 26416516639 27806859620 52833033278 55613719240 105666066556 111227438480 132082583195 211332133112 264165166390 422664266224 528330332780 1056660665560 2113321331120