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920572522272 = 253213243492
BaseRepresentation
bin11010110010101100110…
…01011110111100100000
310021000011021121111101200
431121112121132330200
5110040313031203042
61542523304001200
7123336434221404
oct15312631367440
93230137544350
10920572522272
1132545a20a317
1212a4b5a60200
1368a6a95b700
14327ad741104
1518e2d688c4c
hexd65665ef20

920572522272 has 162 divisors, whose sum is σ = 2835395717427. Its totient is φ = 283187953152.

The previous prime is 920572522217. The next prime is 920572522301. The reversal of 920572522272 is 272225275029.

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.

920572522272 is a `hidden beast` number, since 9 + 2 + 0 + 57 + 2 + 522 + 2 + 72 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 52164732816 + 868407789456 = 228396^2 + 931884^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=678444.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 211672354 + ... + 211676702.

Almost surely, 2920572522272 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 920572522272

920572522272 is an abundant number, since it is smaller than the sum of its proper divisors (1914823195155).

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

920572522272 is an equidigital number, since it uses as much as digits as its factorization.

920572522272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740 (or 4367 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 920572522272 in words is "nine hundred twenty billion, five hundred seventy-two million, five hundred twenty-two thousand, two hundred seventy-two".