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1972053897600 = 273521910811699
BaseRepresentation
bin11100101100100111100…
…100100111000110000000
320222112012211022202102110
4130230213210213012000
5224302231244210400
64105540555015320
7262322222360613
oct34544744470600
96875184282373
101972053897600
116a0386017496
1227a244a3a540
13113c6b867ac7
146b63b13017a
153646e860e50
hex1cb27927180

1972053897600 has 192 divisors, whose sum is σ = 6837319080000. Its totient is φ = 498203043840.

The previous prime is 1972053897577. The next prime is 1972053897643. The reversal of 1972053897600 is 67983502791.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 5223450 + ... + 5588249.

It is an arithmetic number, because the mean of its divisors is an integer number (35611036875).

Almost surely, 21972053897600 is an apocalyptic number.

1972053897600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1972053897600 is an abundant number, since it is smaller than the sum of its proper divisors (4865265182400).

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

1972053897600 is a wasteful number, since it uses less digits than its factorization.

1972053897600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10811745 (or 10811728 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 1972053897600 in words is "one trillion, nine hundred seventy-two billion, fifty-three million, eight hundred ninety-seven thousand, six hundred".