Base | Representation |
---|---|
bin | 111101000011101111… |
… | …1111011010001101110 |
3 | 110112110010202121200010 |
4 | 1322013133323101232 |
5 | 4122014302443202 |
6 | 140123050114050 |
7 | 12321222156612 |
oct | 1720737732156 |
9 | 415403677603 |
10 | 131122312302 |
11 | 50677143a63 |
12 | 214b471b926 |
13 | c498568257 |
14 | 64bc575342 |
15 | 362665576c |
hex | 1e877fb46e |
131122312302 has 32 divisors (see below), whose sum is σ = 262598793120. Its totient is φ = 43648450560.
The previous prime is 131122312291. The next prime is 131122312313. The reversal of 131122312302 is 203213221131.
It is an interprime number because it is at equal distance from previous prime (131122312291) and next prime (131122312313).
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, 21920152 + ... + 21926132.
It is an arithmetic number, because the mean of its divisors is an integer number (8206212285).
Almost surely, 2131122312302 is an apocalyptic number.
131122312302 is an abundant number, since it is smaller than the sum of its proper divisors (131476480818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131122312302 is a wasteful number, since it uses less digits than its factorization.
131122312302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10308.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 131122312302 its reverse (203213221131), we get a palindrome (334335533433).
The spelling of 131122312302 in words is "one hundred thirty-one billion, one hundred twenty-two million, three hundred twelve thousand, three hundred two".
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