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2031212140104 = 2337131667313831
BaseRepresentation
bin11101100011101101101…
…011011001011001001000
321012011220122222211222010
4131203231223121121020
5231234410301440404
64153043113255520
7266515221214050
oct35435553313110
97164818884863
102031212140104
117134833326a4
122897b4a045a0
13119708ab1624
147044dca8560
1537c8323e189
hex1d8edad9648

2031212140104 has 128 divisors (see below), whose sum is σ = 5849063700480. Its totient is φ = 575788262400.

The previous prime is 2031212140093. The next prime is 2031212140123. The reversal of 2031212140104 is 4010412121302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146852469 + ... + 146866299.

It is an arithmetic number, because the mean of its divisors is an integer number (45695810160).

Almost surely, 22031212140104 is an apocalyptic number.

2031212140104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031212140104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2924531850240).

2031212140104 is an abundant number, since it is smaller than the sum of its proper divisors (3817851560376).

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

2031212140104 is a wasteful number, since it uses less digits than its factorization.

2031212140104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20651 (or 20647 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2031212140104 its reverse (4010412121302), we get a palindrome (6041624261406).

The spelling of 2031212140104 in words is "two trillion, thirty-one billion, two hundred twelve million, one hundred forty thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 131 168 262 393 524 786 917 1048 1572 1834 2751 3144 3668 5502 6673 7336 11004 13346 13831 20019 22008 26692 27662 40038 41493 46711 53384 55324 80076 82986 93422 96817 110648 140133 160152 165972 186844 193634 280266 290451 331944 373688 387268 560532 580902 774536 874163 1121064 1161804 1748326 1811861 2323608 2622489 3496652 3623722 5244978 5435583 6119141 6993304 7247444 10489956 10871166 12238282 12683027 14494888 18357423 20979912 21742332 24476564 25366054 36714846 38049081 43484664 48953128 50732108 73429692 76098162 92294263 101464216 146859384 152196324 184588526 276882789 304392648 369177052 553765578 646059841 738354104 1107531156 1292119682 1938179523 2215062312 2584239364 3876359046 5168478728 7752718092 12090548453 15505436184 24181096906 36271645359 48362193812 72543290718 84633839171 96724387624 145086581436 169267678342 253901517513 290173162872 338535356684 507803035026 677070713368 1015606070052 2031212140104