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85255105661760 = 263588807401731
BaseRepresentation
bin10011011000101000000000…
…010010011100101101000000
3102011212022022220021111102010
4103120220000102130231000
542133304424022134020
6501153353240452520
723646322665202506
oct2330500022345500
9364768286244363
1085255105661760
112518a53a606121
12968b01647a140
1338756a29ba7a8
14170a524c76676
159cca332ecde0
hex4d8a0049cb40

85255105661760 has 56 divisors (see below), whose sum is σ = 270684960479136. Its totient is φ = 22734694842880.

The previous prime is 85255105661723. The next prime is 85255105661797. The reversal of 85255105661760 is 6716650155258.

It is an interprime number because it is at equal distance from previous prime (85255105661723) and next prime (85255105661797).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85255105661760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44403699906 + ... + 44403701825.

It is an arithmetic number, because the mean of its divisors is an integer number (4833660008556).

Almost surely, 285255105661760 is an apocalyptic number.

85255105661760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85255105661760 is an abundant number, since it is smaller than the sum of its proper divisors (185429854817376).

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

85255105661760 is a wasteful number, since it uses less digits than its factorization.

85255105661760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88807401751 (or 88807401741 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 57.

The spelling of 85255105661760 in words is "eighty-five trillion, two hundred fifty-five billion, one hundred five million, six hundred sixty-one thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 88807401731 177614803462 266422205193 355229606924 444037008655 532844410386 710459213848 888074017310 1065688820772 1332111025965 1420918427696 1776148034620 2131377641544 2664222051930 2841836855392 3552296069240 4262755283088 5328444103860 5683673710784 7104592138480 8525510566176 10656888207720 14209184276960 17051021132352 21313776415440 28418368553920 42627552830880 85255105661760