Base | Representation |
---|---|
bin | 10010111101000101… |
… | …011100011011010111 |
3 | 1221112101020101100000 |
4 | 102331011130123113 |
5 | 313140130041132 |
6 | 13203310022343 |
7 | 1320226522251 |
oct | 227505343327 |
9 | 57471211300 |
10 | 20352190167 |
11 | 86a430a781 |
12 | 3b3baa79b3 |
13 | 1bc464999a |
14 | db0da2cd1 |
15 | 7e1b3887c |
hex | 4bd15c6d7 |
20352190167 has 12 divisors (see below), whose sum is σ = 30486408680. Its totient is φ = 13568126616.
The previous prime is 20352190147. The next prime is 20352190189. The reversal of 20352190167 is 76109125302.
It is not a de Polignac number, because 20352190167 - 28 = 20352189911 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20352190147) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41876692 + ... + 41877177.
Almost surely, 220352190167 is an apocalyptic number.
20352190167 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
20352190167 is a deficient number, since it is larger than the sum of its proper divisors (10134218513).
20352190167 is an frugal number, since it uses more digits than its factorization.
20352190167 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83753884 (or 83753872 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The spelling of 20352190167 in words is "twenty billion, three hundred fifty-two million, one hundred ninety thousand, one hundred sixty-seven".
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