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11455266680 = 23511132002669
BaseRepresentation
bin10101010101100100…
…10111111101111000
31002120100002211201022
422222302113331320
5141430022013210
65132410042012
7553605105644
oct125262277570
932510084638
1011455266680
114949221450
122278419308
131107349610
147a953dc24
15470a1d155
hex2aac97f78

11455266680 has 64 divisors (see below), whose sum is σ = 30280370400. Its totient is φ = 3845122560.

The previous prime is 11455266623. The next prime is 11455266721. The reversal of 11455266680 is 8666255411.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 995615 + ... + 1007054.

Almost surely, 211455266680 is an apocalyptic number.

11455266680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11455266680 is an abundant number, since it is smaller than the sum of its proper divisors (18825103720).

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

11455266680 is a wasteful number, since it uses less digits than its factorization.

11455266680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002704 (or 2002700 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 11455266680 in words is "eleven billion, four hundred fifty-five million, two hundred sixty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 520 572 715 1144 1430 2860 5720 2002669 4005338 8010676 10013345 16021352 20026690 22029359 26034697 40053380 44058718 52069394 80106760 88117436 104138788 110146795 130173485 176234872 208277576 220293590 260346970 286381667 440587180 520693940 572763334 881174360 1041387880 1145526668 1431908335 2291053336 2863816670 5727633340 11455266680