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51034125312 = 2103217332009
BaseRepresentation
bin101111100001110111…
…101111010000000000
311212201122201011212100
4233201313233100000
51314004214002222
635240022230400
73454446623232
oct574167572000
9155648634770
1051034125312
111a709484775
129a83285400
134a740977b1
142681c02252
1514da5674ac
hexbe1def400

51034125312 has 132 divisors (see below), whose sum is σ = 148216351140. Its totient is φ = 16912515072.

The previous prime is 51034125281. The next prime is 51034125313. The reversal of 51034125312 is 21352143015.

51034125312 is a `hidden beast` number, since 5 + 1 + 0 + 341 + 2 + 5 + 312 = 666.

51034125312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 18426433536 + 32607691776 = 135744^2 + 180576^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51034125313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578364 + ... + 1610372.

It is an arithmetic number, because the mean of its divisors is an integer number (1122851145).

Almost surely, 251034125312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51034125312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74108175570).

51034125312 is an abundant number, since it is smaller than the sum of its proper divisors (97182225828).

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

51034125312 is a wasteful number, since it uses less digits than its factorization.

51034125312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32208 (or 32187 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 51034125312 its reverse (21352143015), we get a palindrome (72386268327).

The spelling of 51034125312 in words is "fifty-one billion, thirty-four million, one hundred twenty-five thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 173 192 256 288 346 384 512 519 576 692 768 1024 1038 1152 1384 1536 1557 2076 2304 2768 3072 3114 4152 4608 5536 6228 8304 9216 11072 12456 16608 22144 24912 32009 33216 44288 49824 64018 66432 88576 96027 99648 128036 132864 177152 192054 199296 256072 265728 288081 384108 398592 512144 531456 576162 768216 797184 1024288 1152324 1536432 1594368 2048576 2304648 3072864 4097152 4609296 5537557 6145728 8194304 9218592 11075114 12291456 16388608 16612671 18437184 22150228 24582912 32777216 33225342 36874368 44300456 49165824 49838013 66450684 73748736 88600912 98331648 99676026 132901368 147497472 177201824 199352052 265802736 294994944 354403648 398704104 531605472 708807296 797408208 1063210944 1417614592 1594816416 2126421888 2835229184 3189632832 4252843776 5670458368 6379265664 8505687552 12758531328 17011375104 25517062656 51034125312