Base | Representation |
---|---|
bin | 10111011000100110111000… |
… | …10100000101010111001010 |
3 | 20202001222212101212010121121 |
4 | 23230103130110011113022 |
5 | 23220003343422020244 |
6 | 301211230504225454 |
7 | 13555122662105026 |
oct | 1354233424052712 |
9 | 222058771763547 |
10 | 51423044720074 |
11 | 1542643316a685 |
12 | 592616976b28a |
13 | 2290231746091 |
14 | c9ac62623386 |
15 | 5e2970eb4c84 |
hex | 2ec4dc5055ca |
51423044720074 has 64 divisors (see below), whose sum is σ = 79926462650880. Its totient is φ = 24802962186240.
The previous prime is 51423044720063. The next prime is 51423044720077. The reversal of 51423044720074 is 47002744032415.
It is a self number, because there is not a number n which added to its sum of digits gives 51423044720074.
It is not an unprimeable number, because it can be changed into a prime (51423044720077) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718193244 + ... + 718264840.
It is an arithmetic number, because the mean of its divisors is an integer number (1248850978920).
Almost surely, 251423044720074 is an apocalyptic number.
51423044720074 is a deficient number, since it is larger than the sum of its proper divisors (28503417930806).
51423044720074 is a wasteful number, since it uses less digits than its factorization.
51423044720074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72295.
The product of its (nonzero) digits is 752640, while the sum is 43.
Adding to 51423044720074 its reverse (47002744032415), we get a palindrome (98425788752489).
The spelling of 51423044720074 in words is "fifty-one trillion, four hundred twenty-three billion, forty-four million, seven hundred twenty thousand, seventy-four".
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