Base | Representation |
---|---|
bin | 1001000100100011100… |
… | …1010110111000100111 |
3 | 112220020212212121211210 |
4 | 2101020321112320213 |
5 | 10023131001140101 |
6 | 155332011002503 |
7 | 14154622412025 |
oct | 2211071267047 |
9 | 486225777753 |
10 | 155841818151 |
11 | 60101709638 |
12 | 26253139433 |
13 | 119079431a6 |
14 | 7785585715 |
15 | 40c18bd7d6 |
hex | 2448e56e27 |
155841818151 has 16 divisors (see below), whose sum is σ = 208283744000. Its totient is φ = 103647307968.
The previous prime is 155841818149. The next prime is 155841818173. The reversal of 155841818151 is 151818148551.
It is not a de Polignac number, because 155841818151 - 21 = 155841818149 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 155841818151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155841818131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11782620 + ... + 11795838.
It is an arithmetic number, because the mean of its divisors is an integer number (13017734000).
Almost surely, 2155841818151 is an apocalyptic number.
155841818151 is a deficient number, since it is larger than the sum of its proper divisors (52441925849).
155841818151 is a wasteful number, since it uses less digits than its factorization.
155841818151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22278.
The product of its digits is 256000, while the sum is 48.
The spelling of 155841818151 in words is "one hundred fifty-five billion, eight hundred forty-one million, eight hundred eighteen thousand, one hundred fifty-one".
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