Base | Representation |
---|---|
bin | 111101000010110010… |
… | …1111110101101100000 |
3 | 110112100220121111111120 |
4 | 1322011211332231200 |
5 | 4121433112013200 |
6 | 140115545012240 |
7 | 12320353355112 |
oct | 1720545765540 |
9 | 415326544446 |
10 | 131090344800 |
11 | 5066009a338 |
12 | 214a5a84080 |
13 | c491a5487c |
14 | 64b82133b2 |
15 | 362393d9a0 |
hex | 1e8597eb60 |
131090344800 has 288 divisors, whose sum is σ = 441755725824. Its totient is φ = 33730560000.
The previous prime is 131090344771. The next prime is 131090344817. The reversal of 131090344800 is 8443090131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27302400 + ... + 27307200.
It is an arithmetic number, because the mean of its divisors is an integer number (1533874048).
Almost surely, 2131090344800 is an apocalyptic number.
131090344800 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 131090344800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220877862912).
131090344800 is an abundant number, since it is smaller than the sum of its proper divisors (310665381024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131090344800 is a wasteful number, since it uses less digits than its factorization.
131090344800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5222 (or 5209 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 33.
The spelling of 131090344800 in words is "one hundred thirty-one billion, ninety million, three hundred forty-four thousand, eight hundred".
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