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78083080550755 = 5723285733950863
BaseRepresentation
bin10001110000010000100010…
…010001110111100101100011
3101020110200002010201102212021
4101300100202101313211203
540213303122110111010
6434022512204042311
722306213345465360
oct2160204221674543
9336420063642767
1078083080550755
1122974937392855
128911035833397
133475283a0b167
14153d354053467
159061c05d08da
hex470422477963

78083080550755 has 32 divisors (see below), whose sum is σ = 111780367847424. Its totient is φ = 51196813468416.

The previous prime is 78083080550749. The next prime is 78083080550773. The reversal of 78083080550755 is 55705508038087.

It is not a de Polignac number, because 78083080550755 - 225 = 78083046996323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78083080550693 and 78083080550702.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14675547 + ... + 19275316.

It is an arithmetic number, because the mean of its divisors is an integer number (3493136495232).

Almost surely, 278083080550755 is an apocalyptic number.

78083080550755 is a deficient number, since it is larger than the sum of its proper divisors (33697287296669).

78083080550755 is a wasteful number, since it uses less digits than its factorization.

78083080550755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33953755.

The product of its (nonzero) digits is 47040000, while the sum is 61.

The spelling of 78083080550755 in words is "seventy-eight trillion, eighty-three billion, eighty million, five hundred fifty thousand, seven hundred fifty-five".

Divisors: 1 5 7 23 35 115 161 805 2857 14285 19999 65711 99995 328555 459977 2299885 33950863 169754315 237656041 780869849 1188280205 3904349245 5466088943 27330444715 96997615591 484988077955 678983309137 2230945158593 3394916545685 11154725792965 15616616110151 78083080550755