Base | Representation |
---|---|
bin | 101111100111001001… |
… | …100000010111101101 |
3 | 11212221211022200000120 |
4 | 233213021200113231 |
5 | 1314144400402122 |
6 | 35252504115153 |
7 | 3456603342216 |
oct | 574711402755 |
9 | 155854280016 |
10 | 51122669037 |
11 | 1a754460a00 |
12 | 9aa8a65ab9 |
13 | 4a8952992b |
14 | 268d89040d |
15 | 14e320775c |
hex | be72605ed |
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".
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