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2972555129 = 292114571063
BaseRepresentation
bin1011000100101101…
…1001011101111001
321200011101110001102
42301023121131321
522041433231004
61210544101145
7133443205325
oct26113313571
97604343042
102972555129
111295a25735
126ab6047b5
13384ac557b
14202b00985
15125e7211e
hexb12d9779

2972555129 has 16 divisors (see below), whose sum is σ = 3099304320. Its totient is φ = 2847519360.

The previous prime is 2972555119. The next prime is 2972555143. The reversal of 2972555129 is 9215552792.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2972555129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2972555119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2795852 + ... + 2796914.

It is an arithmetic number, because the mean of its divisors is an integer number (193706520).

Almost surely, 22972555129 is an apocalyptic number.

2972555129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2972555129 is a deficient number, since it is larger than the sum of its proper divisors (126749191).

2972555129 is a wasteful number, since it uses less digits than its factorization.

2972555129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760.

The product of its digits is 567000, while the sum is 47.

The square root of 2972555129 is about 54521.1438709791. The cubic root of 2972555129 is about 1437.8380509456.

The spelling of 2972555129 in words is "two billion, nine hundred seventy-two million, five hundred fifty-five thousand, one hundred twenty-nine".

Divisors: 1 29 211 457 1063 6119 13253 30827 96427 224293 485791 2796383 6504497 14087939 102501901 2972555129