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20695068750 = 23551103737
BaseRepresentation
bin10011010001100001…
…011011000001001110
31222102021102102022210
4103101201123001032
5314340414200000
613301315051250
71331562116256
oct232141330116
958367372283
1020695068750
11885a910504
1240168a0b26
131c4a6ab615
141004738966
15811cb7350
hex4d185b04e

20695068750 has 48 divisors (see below), whose sum is σ = 51734407536. Its totient is φ = 5518680000.

The previous prime is 20695068749. The next prime is 20695068761. The reversal of 20695068750 is 5786059602.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20695068750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533119 + ... + 570618.

It is an arithmetic number, because the mean of its divisors is an integer number (1077800157).

Almost surely, 220695068750 is an apocalyptic number.

20695068750 is an abundant number, since it is smaller than the sum of its proper divisors (31039338786).

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

20695068750 is an equidigital number, since it uses as much as digits as its factorization.

20695068750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103767 (or 1103747 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 20695068750 in words is "twenty billion, six hundred ninety-five million, sixty-eight thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 625 750 1250 1875 3125 3750 6250 9375 18750 1103737 2207474 3311211 5518685 6622422 11037370 16556055 27593425 33112110 55186850 82780275 137967125 165560550 275934250 413901375 689835625 827802750 1379671250 2069506875 3449178125 4139013750 6898356250 10347534375 20695068750