Base | Representation |
---|---|
bin | 1001001001011011011… |
… | …1011110111111100110 |
3 | 120000122001100121021210 |
4 | 2102112313132333212 |
5 | 10033320341344201 |
6 | 200105500452250 |
7 | 14232215351214 |
oct | 2222667367746 |
9 | 500561317253 |
10 | 157149949926 |
11 | 60713060382 |
12 | 2655924a086 |
13 | 11a85967568 |
14 | 786b1c1cb4 |
15 | 414b6681d6 |
hex | 2496ddefe6 |
157149949926 has 8 divisors (see below), whose sum is σ = 314299899864. Its totient is φ = 52383316640.
The previous prime is 157149949897. The next prime is 157149949927. The reversal of 157149949926 is 629949941751.
It is a sphenic number, since it is the product of 3 distinct primes.
157149949926 is an admirable number.
It is a super-2 number, since 2×1571499499262 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157149949927) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13095829155 + ... + 13095829166.
It is an arithmetic number, because the mean of its divisors is an integer number (39287487483).
Almost surely, 2157149949926 is an apocalyptic number.
157149949926 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157149949926 is a wasteful number, since it uses less digits than its factorization.
157149949926 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26191658326.
The product of its digits is 44089920, while the sum is 66.
The spelling of 157149949926 in words is "one hundred fifty-seven billion, one hundred forty-nine million, nine hundred forty-nine thousand, nine hundred twenty-six".
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