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13457801356780 = 22511241783253003
BaseRepresentation
bin1100001111010110001101…
…1110000010010111101100
31202122112221022112001112011
43003311203132002113230
53230443034121404110
644342232324251004
72556202602051514
oct303654336022754
952575838461464
1013457801356780
114319470026a40
121614266540a64
137680b03a8a01
1434750aa74844
1518510578348a
hexc3d637825ec

13457801356780 has 48 divisors (see below), whose sum is σ = 30830848844544. Its totient is φ = 4893706365120.

The previous prime is 13457801356771. The next prime is 13457801356799. The reversal of 13457801356780 is 8765310875431.

It is a super-2 number, since 2×134578013567802 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53065759 + ... + 53318761.

It is an arithmetic number, because the mean of its divisors is an integer number (642309350928).

Almost surely, 213457801356780 is an apocalyptic number.

13457801356780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13457801356780 is an abundant number, since it is smaller than the sum of its proper divisors (17373047487764).

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

13457801356780 is a wasteful number, since it uses less digits than its factorization.

13457801356780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494806 (or 494804 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 13457801356780 in words is "thirteen trillion, four hundred fifty-seven billion, eight hundred one million, three hundred fifty-six thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 241783 253003 483566 506006 967132 1012012 1208915 1265015 2417830 2530030 2659613 2783033 4835660 5060060 5319226 5566066 10638452 11132132 13298065 13915165 26596130 27830330 53192260 55660660 61171824349 122343648698 244687297396 305859121745 611718243490 672890067839 1223436486980 1345780135678 2691560271356 3364450339195 6728900678390 13457801356780