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53101512351 = 328647682337
BaseRepresentation
bin110001011101000110…
…001100011010011111
312002001201212022201200
4301131012030122133
51332222441343401
640221113410543
73556622256546
oct613506143237
9162051768650
1053101512351
112057a4681a8
12a35b709a53
1350134a7234
1427da5dd15d
1515abcdb686
hexc5d18c69f

53101512351 has 12 divisors (see below), whose sum is σ = 76711167312. Its totient is φ = 35396862336.

The previous prime is 53101512319. The next prime is 53101512371. The reversal of 53101512351 is 15321510135.

53101512351 is a `hidden beast` number, since 531 + 0 + 1 + 5 + 123 + 5 + 1 = 666.

It is not a de Polignac number, because 53101512351 - 25 = 53101512319 is a prime.

It is a super-2 number, since 2×531015123512 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53101512311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263346 + ... + 418991.

It is an arithmetic number, because the mean of its divisors is an integer number (6392597276).

Almost surely, 253101512351 is an apocalyptic number.

53101512351 is a deficient number, since it is larger than the sum of its proper divisors (23609654961).

53101512351 is a wasteful number, since it uses less digits than its factorization.

53101512351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690990 (or 690987 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 53101512351 in words is "fifty-three billion, one hundred one million, five hundred twelve thousand, three hundred fifty-one".

Divisors: 1 3 9 8647 25941 77823 682337 2047011 6141033 5900168039 17700504117 53101512351