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20192855131152 = 2435111924849931
BaseRepresentation
bin1001001011101100000111…
…11101010000010000010000
32122111102021210102020200000
410211312003331100100100
510121314431403144102
6110540245232530000
74152612526420314
oct445660375202020
978442253366600
1020192855131152
116485818327550
1223216163b0900
13b362412a6762
144db4a7471b44
152503e0e2701c
hex125d83f50410

20192855131152 has 240 divisors, whose sum is σ = 67297591845120. Its totient is φ = 5796991670400.

The previous prime is 20192855131069. The next prime is 20192855131157. The reversal of 20192855131152 is 25113155829102.

20192855131152 is a `hidden beast` number, since 2 + 0 + 1 + 9 + 2 + 85 + 513 + 1 + 1 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20192855131098 and 20192855131107.

It is not an unprimeable number, because it can be changed into a prime (20192855131157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11612374 + ... + 13237557.

It is an arithmetic number, because the mean of its divisors is an integer number (280406632688).

Almost surely, 220192855131152 is an apocalyptic number.

20192855131152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20192855131152 is an abundant number, since it is smaller than the sum of its proper divisors (47104736713968).

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

20192855131152 is a wasteful number, since it uses less digits than its factorization.

20192855131152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24849984 (or 24849966 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

The spelling of 20192855131152 in words is "twenty trillion, one hundred ninety-two billion, eight hundred fifty-five million, one hundred thirty-one thousand, one hundred fifty-two".