Base | Representation |
---|---|
bin | 1001000110101000111… |
… | …0100000111010101011 |
3 | 112221200212002122010201 |
4 | 2101222032200322223 |
5 | 10030302124344040 |
6 | 155503304253031 |
7 | 14204522445655 |
oct | 2215216407253 |
9 | 487625078121 |
10 | 156401012395 |
11 | 60369326541 |
12 | 2638a471177 |
13 | 11996752564 |
14 | 77d99496d5 |
15 | 4105a2aa9a |
hex | 246a3a0eab |
156401012395 has 4 divisors (see below), whose sum is σ = 187681214880. Its totient is φ = 125120809912.
The previous prime is 156401012381. The next prime is 156401012461. The reversal of 156401012395 is 593210104651.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593210104651 = 77711 ⋅7633541.
It is a cyclic number.
It is not a de Polignac number, because 156401012395 - 25 = 156401012363 is a prime.
It is a super-2 number, since 2×1564010123952 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15640101235 + ... + 15640101244.
It is an arithmetic number, because the mean of its divisors is an integer number (46920303720).
Almost surely, 2156401012395 is an apocalyptic number.
156401012395 is a deficient number, since it is larger than the sum of its proper divisors (31280202485).
156401012395 is an equidigital number, since it uses as much as digits as its factorization.
156401012395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31280202484.
The product of its (nonzero) digits is 32400, while the sum is 37.
The spelling of 156401012395 in words is "one hundred fifty-six billion, four hundred one million, twelve thousand, three hundred ninety-five".
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