Base | Representation |
---|---|
bin | 1001001001100000010… |
… | …1100111000111111011 |
3 | 120000200110220010022001 |
4 | 2102120011213013323 |
5 | 10033341112233314 |
6 | 200111511441431 |
7 | 14232554421220 |
oct | 2223005470773 |
9 | 500613803261 |
10 | 157170430459 |
11 | 60723679739 |
12 | 26564086277 |
13 | 11a89c88613 |
14 | 786dbd3947 |
15 | 414d361674 |
hex | 24981671fb |
157170430459 has 16 divisors (see below), whose sum is σ = 182689977600. Its totient is φ = 132418095264.
The previous prime is 157170430421. The next prime is 157170430481. The reversal of 157170430459 is 954034071751.
157170430459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 157170430459 - 27 = 157170430331 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157170430489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4417489 + ... + 4452925.
It is an arithmetic number, because the mean of its divisors is an integer number (11418123600).
Almost surely, 2157170430459 is an apocalyptic number.
157170430459 is a deficient number, since it is larger than the sum of its proper divisors (25519547141).
157170430459 is a wasteful number, since it uses less digits than its factorization.
157170430459 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46242.
The product of its (nonzero) digits is 529200, while the sum is 46.
The spelling of 157170430459 in words is "one hundred fifty-seven billion, one hundred seventy million, four hundred thirty thousand, four hundred fifty-nine".
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