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51116500105060 = 225134432371187177
BaseRepresentation
bin10111001111101011111001…
…10101001011011101100100
320200222200121210002012211211
423213311330311023131210
523144443043011330220
6300414332421241204
713524021344631205
oct1347657465133544
9220880553065754
1051116500105060
1115318427783245
125896878563204
13226a35aa75310
14c8a0a22255ac
155d99cde90b5a
hex2e7d7cd4b764

51116500105060 has 96 divisors (see below), whose sum is σ = 115912369383552. Its totient is φ = 18823137315840.

The previous prime is 51116500105051. The next prime is 51116500105201. The reversal of 51116500105060 is 6050100561115.

It is a super-2 number, since 2×511165001050602 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272998192 + ... + 273185368.

It is an arithmetic number, because the mean of its divisors is an integer number (1207420514412).

Almost surely, 251116500105060 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 51116500105060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57956184691776).

51116500105060 is an abundant number, since it is smaller than the sum of its proper divisors (64795869278492).

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

51116500105060 is a wasteful number, since it uses less digits than its factorization.

51116500105060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190013 (or 190011 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 51116500105060 its reverse (6050100561115), we get a palindrome (57166600666175).

The spelling of 51116500105060 in words is "fifty-one trillion, one hundred sixteen billion, five hundred million, one hundred five thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 443 886 1772 2215 2371 4430 4742 5759 8860 9484 11518 11855 23036 23710 28795 30823 47420 57590 61646 115180 123292 154115 187177 308230 374354 616460 748708 935885 1050353 1871770 2100706 2433301 3743540 4201412 4866602 5251765 9733204 10503530 12166505 13654589 21007060 24333010 27309178 48666020 54618356 68272945 82919411 136545890 165838822 273091780 331677644 414597055 443796667 829194110 887593334 1077952343 1658388220 1775186668 2155904686 2218983335 4311809372 4437966670 5389761715 5769356671 8875933340 10779523430 11538713342 21559046860 23077426684 28846783355 57693566710 115387133420 196601923481 393203846962 786407693924 983009617405 1966019234810 2555825005253 3932038469620 5111650010506 10223300021012 12779125026265 25558250052530 51116500105060