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1864295272424 = 231317925916081
BaseRepresentation
bin11011001000010000101…
…010000100111111101000
320121020001221110102021202
4123020100222010333220
5221021034042204144
63544240113423332
7251455655231624
oct33102052047750
96536057412252
101864295272424
11659709096472
1226139086ab48
13106a57827ac0
14663378b8184
153376440964e
hex1b210a84fe8

1864295272424 has 16 divisors (see below), whose sum is σ = 3764442377220. Its totient is φ = 860443971840.

The previous prime is 1864295272397. The next prime is 1864295272453. The reversal of 1864295272424 is 4242725924681.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1514174548324 + 350120724100 = 1230518^2 + 591710^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1864295272424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8962957937 + ... + 8962958144.

Almost surely, 21864295272424 is an apocalyptic number.

It is an amenable number.

1864295272424 is an abundant number, since it is smaller than the sum of its proper divisors (1900147104796).

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

1864295272424 is a wasteful number, since it uses less digits than its factorization.

1864295272424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17925916100 (or 17925916096 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 56.

The spelling of 1864295272424 in words is "one trillion, eight hundred sixty-four billion, two hundred ninety-five million, two hundred seventy-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 17925916081 35851832162 71703664324 143407328648 233036909053 466073818106 932147636212 1864295272424