Base | Representation |
---|---|
bin | 11100000110011001… |
… | …100000100100001111 |
3 | 2212212202011120111021 |
4 | 130012121200210033 |
5 | 443243030340414 |
6 | 21505541135011 |
7 | 2115456541252 |
oct | 340631404417 |
9 | 85782146437 |
10 | 30172121359 |
11 | 11883415396 |
12 | 5a206ba467 |
13 | 2acac3ab63 |
14 | 1663251099 |
15 | bb8cc7c24 |
hex | 70666090f |
30172121359 has 8 divisors (see below), whose sum is σ = 30970996560. Its totient is φ = 29376244800.
The previous prime is 30172121321. The next prime is 30172121381. The reversal of 30172121359 is 95312127103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30172121359 - 211 = 30172119311 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30172121389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729264 + ... + 769525.
It is an arithmetic number, because the mean of its divisors is an integer number (3871374570).
Almost surely, 230172121359 is an apocalyptic number.
30172121359 is a deficient number, since it is larger than the sum of its proper divisors (798875201).
30172121359 is a wasteful number, since it uses less digits than its factorization.
30172121359 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1499321.
The product of its (nonzero) digits is 11340, while the sum is 34.
The spelling of 30172121359 in words is "thirty billion, one hundred seventy-two million, one hundred twenty-one thousand, three hundred fifty-nine".
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