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53148296231 = 1920177138637
BaseRepresentation
bin110001011111111000…
…101010010000100111
312002011222220012010222
4301133320222100213
51332321430434411
640225504234555
73561031030652
oct613770522047
9162158805128
1053148296231
11205a3911668
12a37330ba5b
1350200a77c4
1428028da899
1515b0e7d4db
hexc5fe2a427

53148296231 has 8 divisors (see below), whose sum is σ = 55948751280. Its totient is φ = 50348158848.

The previous prime is 53148296219. The next prime is 53148296233. The reversal of 53148296231 is 13269284135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53148296231 is a prime.

It is a super-2 number, since 2×531482962312 (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 (53148296233) 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 7 ways as a sum of consecutive naturals, for example, 314045 + ... + 452681.

It is an arithmetic number, because the mean of its divisors is an integer number (6993593910).

Almost surely, 253148296231 is an apocalyptic number.

53148296231 is a deficient number, since it is larger than the sum of its proper divisors (2800455049).

53148296231 is a wasteful number, since it uses less digits than its factorization.

53148296231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158833.

The product of its digits is 311040, while the sum is 44.

The spelling of 53148296231 in words is "fifty-three billion, one hundred forty-eight million, two hundred ninety-six thousand, two hundred thirty-one".

Divisors: 1 19 20177 138637 383363 2634103 2797278749 53148296231