Base | Representation |
---|---|
bin | 10010101101111… |
… | …01001011001000 |
3 | 101221110001220110 |
4 | 21112331023020 |
5 | 310143401210 |
6 | 23325154320 |
7 | 3614404626 |
oct | 1126751310 |
9 | 357401813 |
10 | 157012680 |
11 | 806a1a50 |
12 | 446bb9a0 |
13 | 266b5b16 |
14 | 16bd2516 |
15 | dbb7420 |
hex | 95bd2c8 |
157012680 has 128 divisors (see below), whose sum is σ = 544164480. Its totient is φ = 35819520.
The previous prime is 157012679. The next prime is 157012727. The reversal of 157012680 is 86210751.
157012680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a nialpdrome in base 15.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18942 + ... + 25938.
It is an arithmetic number, because the mean of its divisors is an integer number (4251285).
Almost surely, 2157012680 is an apocalyptic number.
157012680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157012680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272082240).
157012680 is an abundant number, since it is smaller than the sum of its proper divisors (387151800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157012680 is a wasteful number, since it uses less digits than its factorization.
157012680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7039 (or 7035 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 157012680 is about 12530.4700630104. The cubic root of 157012680 is about 539.4835941062.
It can be divided in two parts, 15701 and 2680, that added together give a palindrome (18381).
The spelling of 157012680 in words is "one hundred fifty-seven million, twelve thousand, six hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •