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52220070792 = 23344721912
BaseRepresentation
bin110000101000100011…
…110000101110001000
311222210022021110020000
4300220203300232020
51323421314231132
635553425203000
73526030164231
oct605043605610
9158708243200
1052220070792
11201679610aa
12a154490460
134c029aaa96
142755514088
15155972887c
hexc288f0b88

52220070792 has 180 divisors, whose sum is σ = 150229294215. Its totient is φ = 16947139680.

The previous prime is 52220070779. The next prime is 52220070817. The reversal of 52220070792 is 29707002225.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 26110035396 + 26110035396 = 161586^2 + 161586^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=161586.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 273403417 + ... + 273403607.

Almost surely, 252220070792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52220070792

52220070792 is an abundant number, since it is smaller than the sum of its proper divisors (98009223423).

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

52220070792 is an equidigital number, since it uses as much as digits as its factorization.

52220070792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 52220070792 in words is "fifty-two billion, two hundred twenty million, seventy thousand, seven hundred ninety-two".