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5031142972 = 222557491899
BaseRepresentation
bin1001010111110000…
…10010011000111100
3110222121222112200121
410223320102120330
540300433033342
62151122504324
7235451003212
oct45370223074
913877875617
105031142972
112151a491a9
12b84b050a4
13622443b9b
1435a28acb2
151e6a59067
hex12be1263c

5031142972 has 12 divisors (see below), whose sum is σ = 8807961400. Its totient is φ = 2514582576.

The previous prime is 5031142903. The next prime is 5031142993. The reversal of 5031142972 is 2792411305.

It is a happy number.

It is a congruent number.

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, 235722 + ... + 256177.

Almost surely, 25031142972 is an apocalyptic number.

It is an amenable number.

5031142972 is a deficient number, since it is larger than the sum of its proper divisors (3776818428).

5031142972 is a wasteful number, since it uses less digits than its factorization.

5031142972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494460 (or 494458 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 5031142972 is about 70930.5503432759. The cubic root of 5031142972 is about 1713.5188499259.

The spelling of 5031142972 in words is "five billion, thirty-one million, one hundred forty-two thousand, nine hundred seventy-two".

Divisors: 1 2 4 2557 5114 10228 491899 983798 1967596 1257785743 2515571486 5031142972