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56278100187265 = 5116731520413351
BaseRepresentation
bin11001100101111010001000…
…01010111001100010000001
321101021010121120021002101211
430302331010022321202001
524334030022121443030
6315405445144330121
714565646533501265
oct1462750412714201
9241233546232354
1056278100187265
1116a28454430350
12638b0a5a73941
13255300473a4a8
14dc7c35bd80a5
15678dc886812a
hex332f442b9881

56278100187265 has 16 divisors (see below), whose sum is σ = 73782619145856. Its totient is φ = 40868710848000.

The previous prime is 56278100187233. The next prime is 56278100187269.

56278100187265 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56278100187265 - 25 = 56278100187233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56278100187269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760169661 + ... + 760243690.

It is an arithmetic number, because the mean of its divisors is an integer number (4611413696616).

Almost surely, 256278100187265 is an apocalyptic number.

56278100187265 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56278100187265 is a deficient number, since it is larger than the sum of its proper divisors (17504518958591).

56278100187265 is a wasteful number, since it uses less digits than its factorization.

56278100187265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520414040.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 56278100187265 in words is "fifty-six trillion, two hundred seventy-eight billion, one hundred million, one hundred eighty-seven thousand, two hundred sixty-five".

Divisors: 1 5 11 55 673 3365 7403 37015 1520413351 7602066755 16724546861 83622734305 1023238185223 5116190926115 11255620037453 56278100187265