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53151304149 = 326788144783
BaseRepresentation
bin110001100000000100…
…001000100111010101
312002012012120000020100
4301200010020213111
51332323213213044
640230052524313
73561065426256
oct614004104725
9162165500210
1053151304149
11205a5586549
12a374320699
1350208bb938
142803080b2d
1515b1374869
hexc601089d5

53151304149 has 12 divisors (see below), whose sum is σ = 77919989056. Its totient is φ = 34905333672.

The previous prime is 53151304127. The next prime is 53151304153. The reversal of 53151304149 is 94140315135.

53151304149 is a `hidden beast` number, since 531 + 51 + 30 + 4 + 1 + 49 = 666.

It is not a de Polignac number, because 53151304149 - 211 = 53151302101 is a prime.

It is a super-2 number, since 2×531513041492 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53151300149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44071789 + ... + 44072994.

Almost surely, 253151304149 is an apocalyptic number.

It is an amenable number.

53151304149 is a deficient number, since it is larger than the sum of its proper divisors (24768684907).

53151304149 is a wasteful number, since it uses less digits than its factorization.

53151304149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88144856 (or 88144853 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 53151304149 in words is "fifty-three billion, one hundred fifty-one million, three hundred four thousand, one hundred forty-nine".

Divisors: 1 3 9 67 201 603 88144783 264434349 793303047 5905700461 17717101383 53151304149