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20755594292 = 2229178927537
BaseRepresentation
bin10011010101001000…
…010011110000110100
31222120111022102202112
4103111020103300310
5320001413004132
613311320230152
71333225432466
oct232510236064
958514272675
1020755594292
118890aa0214
12403300b358
131c5a0b0854
14100c7b2136
15817270ab2
hex4d5213c34

20755594292 has 12 divisors (see below), whose sum is σ = 37574782980. Its totient is φ = 10019942016.

The previous prime is 20755594231. The next prime is 20755594367. The reversal of 20755594292 is 29249555702.

It can be written as a sum of positive squares in 2 ways, for example, as 11630759716 + 9124834576 = 107846^2 + 95524^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20755594292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89463653 + ... + 89463884.

It is an arithmetic number, because the mean of its divisors is an integer number (3131231915).

Almost surely, 220755594292 is an apocalyptic number.

It is an amenable number.

20755594292 is a deficient number, since it is larger than the sum of its proper divisors (16819188688).

20755594292 is a wasteful number, since it uses less digits than its factorization.

20755594292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178927570 (or 178927568 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 20755594292 in words is "twenty billion, seven hundred fifty-five million, five hundred ninety-four thousand, two hundred ninety-two".

Divisors: 1 2 4 29 58 116 178927537 357855074 715710148 5188898573 10377797146 20755594292