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13028334264 = 23321121495447
BaseRepresentation
bin11000010001000110…
…01001101010111000
31020121222002221202200
430020203021222320
5203140223144024
65552442230200
7640566004551
oct141043115270
936558087680
1013028334264
115586178400
1226371b5360
1312c821273a
148b8423328
15513b9c2c9
hex3088c9ab8

13028334264 has 72 divisors (see below), whose sum is σ = 38784443880. Its totient is φ = 3947977440.

The previous prime is 13028334239. The next prime is 13028334281. The reversal of 13028334264 is 46243382031.

13028334264 is a `hidden beast` number, since 1 + 30 + 283 + 342 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 739012 + ... + 756435.

Almost surely, 213028334264 is an apocalyptic number.

It is an amenable number.

13028334264 is an abundant number, since it is smaller than the sum of its proper divisors (25756109616).

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

13028334264 is a wasteful number, since it uses less digits than its factorization.

13028334264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495481 (or 1495463 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 13028334264 in words is "thirteen billion, twenty-eight million, three hundred thirty-four thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 121 132 198 242 264 363 396 484 726 792 968 1089 1452 2178 2904 4356 8712 1495447 2990894 4486341 5981788 8972682 11963576 13459023 16449917 17945364 26918046 32899834 35890728 49349751 53836092 65799668 98699502 107672184 131599336 148049253 180949087 197399004 296098506 361898174 394798008 542847261 592197012 723796348 1085694522 1184394024 1447592696 1628541783 2171389044 3257083566 4342778088 6514167132 13028334264