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5212062157 = 5281398689
BaseRepresentation
bin1001101101010100…
…11100000111001101
3111110020102012011011
410312222130013031
541133241442112
62221104325221
7243105540331
oct46652340715
914406365134
105212062157
112235089495
121015613811
13650a7a263
143763037c1
15207894aa7
hex136a9c1cd

5212062157 has 4 divisors (see below), whose sum is σ = 5212213660. Its totient is φ = 5211910656.

The previous prime is 5212062143. The next prime is 5212062179. The reversal of 5212062157 is 7512602125.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 935686921 + 4276375236 = 30589^2 + 65394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5212062157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212062137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3469 + ... + 102157.

It is an arithmetic number, because the mean of its divisors is an integer number (1303053415).

Almost surely, 25212062157 is an apocalyptic number.

It is an amenable number.

5212062157 is a deficient number, since it is larger than the sum of its proper divisors (151503).

5212062157 is an equidigital number, since it uses as much as digits as its factorization.

5212062157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151502.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 5212062157 is about 72194.6130746609. The cubic root of 5212062157 is about 1733.8167547050.

The spelling of 5212062157 in words is "five billion, two hundred twelve million, sixty-two thousand, one hundred fifty-seven".

Divisors: 1 52813 98689 5212062157