Base | Representation |
---|---|
bin | 11000001111001010… |
… | …10011011011110100 |
3 | 1020120211121020210201 |
4 | 30013211103123310 |
5 | 203122100340312 |
6 | 5551102530244 |
7 | 640311130540 |
oct | 140745233364 |
9 | 36524536721 |
10 | 13012121332 |
11 | 5578004391 |
12 | 2631896984 |
13 | 12c4a56ca2 |
14 | 8b6202a20 |
15 | 512548557 |
hex | 3079536f4 |
13012121332 has 48 divisors (see below), whose sum is σ = 26159555968. Its totient is φ = 5547709440.
The previous prime is 13012121327. The next prime is 13012121341. The reversal of 13012121332 is 23312121031.
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, 5160232 + ... + 5162752.
Almost surely, 213012121332 is an apocalyptic number.
It is an amenable number.
13012121332 is an abundant number, since it is smaller than the sum of its proper divisors (13147434636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13012121332 is a wasteful number, since it uses less digits than its factorization.
13012121332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3416 (or 3414 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 13012121332 its reverse (23312121031), we get a palindrome (36324242363).
The spelling of 13012121332 in words is "thirteen billion, twelve million, one hundred twenty-one thousand, three hundred thirty-two".
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