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53157900579 = 3719133227821
BaseRepresentation
bin110001100000011101…
…010011000100100011
312002012122222010211120
4301200131103010203
51332331410304304
640230450143323
73561205461660
oct614035230443
9162178863746
1053157900579
11205a9281543
12a376581b43
13502208b254
142803cbaa67
1515b1c290d9
hexc60753123

53157900579 has 16 divisors (see below), whose sum is σ = 85265806080. Its totient is φ = 28777209120.

The previous prime is 53157900577. The next prime is 53157900581. The reversal of 53157900579 is 97500975135.

It is an interprime number because it is at equal distance from previous prime (53157900577) and next prime (53157900581).

It is not a de Polignac number, because 53157900579 - 21 = 53157900577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53157900577) 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, 66613512 + ... + 66614309.

It is an arithmetic number, because the mean of its divisors is an integer number (5329112880).

Almost surely, 253157900579 is an apocalyptic number.

53157900579 is a deficient number, since it is larger than the sum of its proper divisors (32107905501).

53157900579 is a wasteful number, since it uses less digits than its factorization.

53157900579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133227850.

The product of its (nonzero) digits is 1488375, while the sum is 51.

The spelling of 53157900579 in words is "fifty-three billion, one hundred fifty-seven million, nine hundred thousand, five hundred seventy-nine".

Divisors: 1 3 7 19 21 57 133 399 133227821 399683463 932594747 2531328599 2797784241 7593985797 17719300193 53157900579