Base | Representation |
---|---|
bin | 11110100110110100… |
… | …01100011101111010 |
3 | 1120102011020221220220 |
4 | 33103122030131322 |
5 | 232123012330044 |
6 | 11314301400510 |
7 | 1121123444355 |
oct | 172332143572 |
9 | 46364227826 |
10 | 16431761274 |
11 | 6a723344a5 |
12 | 3226b69136 |
13 | 171b368386 |
14 | b1c44329c |
15 | 662880019 |
hex | 3d368c77a |
16431761274 has 16 divisors (see below), whose sum is σ = 33562747008. Its totient is φ = 5360716352.
The previous prime is 16431761257. The next prime is 16431761287. The reversal of 16431761274 is 47216713461.
It is a super-2 number, since 2×164317612742 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29134047 + ... + 29134610.
It is an arithmetic number, because the mean of its divisors is an integer number (2097671688).
Almost surely, 216431761274 is an apocalyptic number.
16431761274 is an abundant number, since it is smaller than the sum of its proper divisors (17130985734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16431761274 is a wasteful number, since it uses less digits than its factorization.
16431761274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58268709.
The product of its digits is 169344, while the sum is 42.
The spelling of 16431761274 in words is "sixteen billion, four hundred thirty-one million, seven hundred sixty-one thousand, two hundred seventy-four".
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