Base | Representation |
---|---|
bin | 111101000100101100… |
… | …1110001011000011100 |
3 | 110112112100212101112112 |
4 | 1322021121301120130 |
5 | 4122100442101330 |
6 | 140130150453152 |
7 | 12322060521305 |
oct | 1721131613034 |
9 | 415470771475 |
10 | 131154253340 |
11 | 5069317a810 |
12 | 215033641b8 |
13 | c4a206c886 |
14 | 64c28cb7ac |
15 | 3629364795 |
hex | 1e8967161c |
131154253340 has 96 divisors (see below), whose sum is σ = 311309127360. Its totient is φ = 45975910400.
The previous prime is 131154253337. The next prime is 131154253409. The reversal of 131154253340 is 43352451131.
It is a junction number, because it is equal to n+sod(n) for n = 131154253297 and 131154253306.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4150400 + ... + 4181880.
It is an arithmetic number, because the mean of its divisors is an integer number (3242803410).
Almost surely, 2131154253340 is an apocalyptic number.
131154253340 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 131154253340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155654563680).
131154253340 is an abundant number, since it is smaller than the sum of its proper divisors (180154874020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131154253340 is a wasteful number, since it uses less digits than its factorization.
131154253340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32183 (or 32181 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 32.
The spelling of 131154253340 in words is "one hundred thirty-one billion, one hundred fifty-four million, two hundred fifty-three thousand, three hundred forty".
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