Base | Representation |
---|---|
bin | 10110111111101001… |
… | …00000001000100110 |
3 | 1011212100022211112001 |
4 | 23133310200020212 |
5 | 200240311014440 |
6 | 5400552315514 |
7 | 614630624554 |
oct | 133764401046 |
9 | 34770284461 |
10 | 12345016870 |
11 | 526549298a |
12 | 24863a2b9a |
13 | 1219794814 |
14 | 85178cbd4 |
15 | 4c3bc2b9a |
hex | 2dfd20226 |
12345016870 has 32 divisors (see below), whose sum is σ = 23569159680. Its totient is φ = 4642391520.
The previous prime is 12345016841. The next prime is 12345016903. The reversal of 12345016870 is 7861054321.
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, 223102 + ... + 272881.
It is an arithmetic number, because the mean of its divisors is an integer number (736536240).
Almost surely, 212345016870 is an apocalyptic number.
12345016870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12345016870 is a deficient number, since it is larger than the sum of its proper divisors (11224142810).
12345016870 is a wasteful number, since it uses less digits than its factorization.
12345016870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 496140.
The product of its (nonzero) digits is 40320, while the sum is 37.
The spelling of 12345016870 in words is "twelve billion, three hundred forty-five million, sixteen thousand, eight hundred seventy".
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