Base | Representation |
---|---|
bin | 10010111101110001… |
… | …11010000111011000 |
3 | 222021121001200002211 |
4 | 21132320322013120 |
5 | 131323032123000 |
6 | 4402201404504 |
7 | 510213546502 |
oct | 113670720730 |
9 | 28247050084 |
10 | 10181911000 |
11 | 4355472488 |
12 | 1b81a99734 |
13 | c635b0111 |
14 | 6c8396d72 |
15 | 3e8d427ba |
hex | 25ee3a1d8 |
10181911000 has 64 divisors (see below), whose sum is σ = 24061808160. Its totient is φ = 4032400000.
The previous prime is 10181910967. The next prime is 10181911043. The reversal of 10181911000 is 11918101.
It is a super-2 number, since 2×101819110002 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50595 + ... + 151405.
Almost surely, 210181911000 is an apocalyptic number.
10181911000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10181911000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12030904080).
10181911000 is an abundant number, since it is smaller than the sum of its proper divisors (13879897160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10181911000 is a wasteful number, since it uses less digits than its factorization.
10181911000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100933 (or 100919 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 22.
The spelling of 10181911000 in words is "ten billion, one hundred eighty-one million, nine hundred eleven thousand".
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