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51122669037 = 31126717911743
BaseRepresentation
bin101111100111001001…
…100000010111101101
311212221211022200000120
4233213021200113231
51314144400402122
635252504115153
73456603342216
oct574711402755
9155854280016
1051122669037
111a754460a00
129aa8a65ab9
134a8952992b
14268d89040d
1514e320775c
hexbe72605ed

51122669037 has 48 divisors (see below), whose sum is σ = 76473169920. Its totient is φ = 30347903520.

The previous prime is 51122668969. The next prime is 51122669057. The reversal of 51122669037 is 73096622115.

It is not a de Polignac number, because 51122669037 - 212 = 51122664941 is a prime.

It is a super-2 number, since 2×511226690372 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51122669037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122669057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4347588 + ... + 4359330.

It is an arithmetic number, because the mean of its divisors is an integer number (1593191040).

Almost surely, 251122669037 is an apocalyptic number.

It is an amenable number.

51122669037 is a deficient number, since it is larger than the sum of its proper divisors (25350500883).

51122669037 is a wasteful number, since it uses less digits than its factorization.

51122669037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12014 (or 12003 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 51122669037 in words is "fifty-one billion, one hundred twenty-two million, six hundred sixty-nine thousand, thirty-seven".

Divisors: 1 3 11 33 67 121 179 201 363 537 737 1969 2211 5907 8107 11743 11993 21659 24321 35229 35979 64977 129173 131923 387519 395769 786781 1420903 1451153 2101997 2360343 4262709 4353459 6305991 8654591 23121967 25963773 69365901 95200501 140833799 254341637 285601503 422501397 763024911 1549171789 4647515367 17040889679 51122669037