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51336610136 = 2371016990149
BaseRepresentation
bin101111110011111001…
…101000000101011000
311220111201220000000222
4233303321220011120
51320114133011021
635330025415212
73465111662210
oct576371500530
9156451800028
1051336610136
111a8541a6029
129b4863a508
134ac19555b6
1426b0061240
151506db76ab
hexbf3e68158

51336610136 has 32 divisors (see below), whose sum is σ = 110019060000. Its totient is φ = 21998996736.

The previous prime is 51336610097. The next prime is 51336610139. The reversal of 51336610136 is 63101663315.

It is a junction number, because it is equal to n+sod(n) for n = 51336610096 and 51336610105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51336610139) 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, 524390 + ... + 614538.

It is an arithmetic number, because the mean of its divisors is an integer number (3438095625).

Almost surely, 251336610136 is an apocalyptic number.

51336610136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51336610136 is an abundant number, since it is smaller than the sum of its proper divisors (58682449864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51336610136 is a wasteful number, since it uses less digits than its factorization.

51336610136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100331 (or 100327 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 51336610136 in words is "fifty-one billion, three hundred thirty-six million, six hundred ten thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 10169 20338 40676 71183 81352 90149 142366 180298 284732 360596 569464 631043 721192 1262086 2524172 5048344 916725181 1833450362 3666900724 6417076267 7333801448 12834152534 25668305068 51336610136