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2031184465856 = 267131720515357
BaseRepresentation
bin11101100011101100000…
…001110100111111000000
321012011211201220212000222
4131203230001310333000
5231234331210401411
64153040244202212
7266514434043110
oct35435401647700
97164751825028
102031184465856
11713469750617
122897a7699368
13119703142130
147044a343040
1537c80ac44db
hex1d8ec074fc0

2031184465856 has 112 divisors (see below), whose sum is σ = 5252588139456. Its totient is φ = 756278083584.

The previous prime is 2031184465787. The next prime is 2031184465913. The reversal of 2031184465856 is 6585644811302.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 2031184465798 and 2031184465807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10158671 + ... + 10356686.

It is an arithmetic number, because the mean of its divisors is an integer number (46898108388).

Almost surely, 22031184465856 is an apocalyptic number.

2031184465856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2031184465856 is an abundant number, since it is smaller than the sum of its proper divisors (3221403673600).

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

2031184465856 is a wasteful number, since it uses less digits than its factorization.

2031184465856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20515406 (or 20515396 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 2031184465856 in words is "two trillion, thirty-one billion, one hundred eighty-four million, four hundred sixty-five thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 13 14 16 17 26 28 32 34 52 56 64 68 91 104 112 119 136 182 208 221 224 238 272 364 416 442 448 476 544 728 832 884 952 1088 1456 1547 1768 1904 2912 3094 3536 3808 5824 6188 7072 7616 12376 14144 24752 49504 99008 20515357 41030714 82061428 143607499 164122856 266699641 287214998 328245712 348761069 533399282 574429996 656491424 697522138 1066798564 1148859992 1312982848 1395044276 1866897487 2133597128 2297719984 2441327483 2790088552 3733794974 4267194256 4533893897 4595439968 4882654966 5580177104 7467589948 8534388512 9067787794 9190879936 9765309932 11160354208 14935179896 17068777024 18135575588 19530619864 22320708416 29870359792 31737257279 36271151176 39061239728 59740719584 63474514558 72542302352 78122479456 119481439168 126949029116 145084604704 156244958912 253898058232 290169209408 507796116464 1015592232928 2031184465856