Base | Representation |
---|---|
bin | 100000101010101100… |
… | …0110000111110100001 |
3 | 20201002000102110210101 |
4 | 1001111120300332201 |
5 | 2122132410012121 |
6 | 52121041302401 |
7 | 5032301302051 |
oct | 1012530607641 |
9 | 221060373711 |
10 | 70152032161 |
11 | 27829aa2092 |
12 | 11719934a01 |
13 | 67ccaa8503 |
14 | 3576cad561 |
15 | 1c58b42491 |
hex | 1055630fa1 |
70152032161 has 16 divisors (see below), whose sum is σ = 74957875200. Its totient is φ = 65459394000.
The previous prime is 70152032147. The next prime is 70152032177. The reversal of 70152032161 is 16123025107.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 70152032161 - 223 = 70143643553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70152032761) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376586 + ... + 1426636.
It is an arithmetic number, because the mean of its divisors is an integer number (4684867200).
Almost surely, 270152032161 is an apocalyptic number.
70152032161 is a gapful number since it is divisible by the number (71) formed by its first and last digit.
It is an amenable number.
70152032161 is a deficient number, since it is larger than the sum of its proper divisors (4805843039).
70152032161 is a wasteful number, since it uses less digits than its factorization.
70152032161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51180.
The product of its (nonzero) digits is 2520, while the sum is 28.
Adding to 70152032161 its reverse (16123025107), we get a palindrome (86275057268).
The spelling of 70152032161 in words is "seventy billion, one hundred fifty-two million, thirty-two thousand, one hundred sixty-one".
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