Base | Representation |
---|---|
bin | 1011011001000000011000010… |
… | …0111011011010001000001111 |
3 | 10220010001110221122011201011201 |
4 | 2312100012010323122020033 |
5 | 1320030100411424011111 |
6 | 11520431114520130331 |
7 | 330556053441354451 |
oct | 26620060473321017 |
9 | 3803043848151151 |
10 | 801550501782031 |
11 | 212442727971a21 |
12 | 75a95a353069a7 |
13 | 28533b70bac061 |
14 | 101d137374a2d1 |
15 | 62a027c0676c1 |
hex | 2d90184eda20f |
801550501782031 has 4 divisors (see below), whose sum is σ = 801550661359864. Its totient is φ = 801550342204200.
The previous prime is 801550501781983. The next prime is 801550501782049. The reversal of 801550501782031 is 130287105055108.
801550501782031 = T23116378 + T23116379 + T23116380.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 801550501782031 - 231 = 801548354298383 is a prime.
It is a super-2 number, since 2×8015505017820312 (a number of 31 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (801550501782431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72001125 + ... + 82384846.
It is an arithmetic number, because the mean of its divisors is an integer number (200387665339966).
Almost surely, 2801550501782031 is an apocalyptic number.
801550501782031 is the 23116380-th centered triangular number and also the 12661363-rd centered decagonal number.
801550501782031 is a deficient number, since it is larger than the sum of its proper divisors (159577833).
801550501782031 is a wasteful number, since it uses less digits than its factorization.
801550501782031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159577832.
The product of its (nonzero) digits is 336000, while the sum is 46.
The spelling of 801550501782031 in words is "eight hundred one trillion, five hundred fifty billion, five hundred one million, seven hundred eighty-two thousand, thirty-one".
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