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1975383072000 = 28335313397443
BaseRepresentation
bin11100101111101110000…
…000011001110100000000
320222211210211202100011000
4130233232000121310000
5224331041031301000
64111251202452000
7262500556032462
oct34575600316400
96884724670130
101975383072000
116a1834278498
1227aa13964000
1311437c4c33a0
146b875342132
15365b6c78000
hex1cbee019d00

1975383072000 has 1152 divisors, whose sum is σ = 7888593323520. Its totient is φ = 483928473600.

The previous prime is 1975383071999. The next prime is 1975383072023. The reversal of 1975383072000 is 2703835791.

It is a happy number.

1975383072000 is a `hidden beast` number, since 1 + 97 + 53 + 8 + 307 + 200 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×19753830720002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4459103779 + ... + 4459104221.

It is an arithmetic number, because the mean of its divisors is an integer number (6847737260).

Almost surely, 21975383072000 is an apocalyptic number.

1975383072000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1975383072000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3944296661760).

1975383072000 is an abundant number, since it is smaller than the sum of its proper divisors (5913210251520).

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

1975383072000 is a wasteful number, since it uses less digits than its factorization.

1975383072000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 1975383072000 in words is "one trillion, nine hundred seventy-five billion, three hundred eighty-three million, seventy-two thousand".