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51554101545213 = 3137174437191181
BaseRepresentation
bin10111011100011010111111…
…11010001100100011111101
320202112112010222101122210020
423232031133322030203331
523224130244443421323
6301351343255002353
713600442460535161
oct1356153772144375
9222475128348706
1051554101545213
1115476a76345113
1259476443693b9
13229c6b9562917
14ca33361ccca1
155e60919d1ae3
hex2ee35fe8c8fd

51554101545213 has 16 divisors (see below), whose sum is σ = 69244524302016. Its totient is φ = 34116568744320.

The previous prime is 51554101545211. The next prime is 51554101545269. The reversal of 51554101545213 is 31254510145515.

It is not a de Polignac number, because 51554101545213 - 21 = 51554101545211 is a prime.

It is a super-2 number, since 2×515541015452132 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51554101545211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3573483 + ... + 10764663.

It is an arithmetic number, because the mean of its divisors is an integer number (4327782768876).

Almost surely, 251554101545213 is an apocalyptic number.

It is an amenable number.

51554101545213 is a deficient number, since it is larger than the sum of its proper divisors (17690422756803).

51554101545213 is a wasteful number, since it uses less digits than its factorization.

51554101545213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7208764.

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 51554101545213 in words is "fifty-one trillion, five hundred fifty-four billion, one hundred one million, five hundred forty-five thousand, two hundred thirteen".

Divisors: 1 3 137 411 17443 52329 2389691 7169073 7191181 21573543 985191797 2955575391 125435770183 376307310549 17184700515071 51554101545213