Base | Representation |
---|---|
bin | 111010010000011010… |
… | …1110100010000010101 |
3 | 102221220210012000100202 |
4 | 1310200311310100111 |
5 | 4022203341431130 |
6 | 133250014550245 |
7 | 12016135132163 |
oct | 1644065642025 |
9 | 387823160322 |
10 | 125105030165 |
11 | 49069589915 |
12 | 202b5508385 |
13 | ba49a2b18b |
14 | 60ab348233 |
15 | 33c3257145 |
hex | 1d20d74415 |
125105030165 has 16 divisors (see below), whose sum is σ = 152216620416. Its totient is φ = 98698200000.
The previous prime is 125105030161. The next prime is 125105030177. The reversal of 125105030165 is 561030501521.
It is not a de Polignac number, because 125105030165 - 22 = 125105030161 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 (125105030161) 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, 366737 + ... + 620246.
It is an arithmetic number, because the mean of its divisors is an integer number (9513538776).
Almost surely, 2125105030165 is an apocalyptic number.
It is an amenable number.
125105030165 is a deficient number, since it is larger than the sum of its proper divisors (27111590251).
125105030165 is a wasteful number, since it uses less digits than its factorization.
125105030165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 987340.
The product of its (nonzero) digits is 4500, while the sum is 29.
Adding to 125105030165 its reverse (561030501521), we get a palindrome (686135531686).
The spelling of 125105030165 in words is "one hundred twenty-five billion, one hundred five million, thirty thousand, one hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •