Base | Representation |
---|---|
bin | 1001001001011010001… |
… | …1100100010010101100 |
3 | 120000121200112100011211 |
4 | 2102112203210102230 |
5 | 10033313022304443 |
6 | 200105152524204 |
7 | 14232123104140 |
oct | 2222643442254 |
9 | 500550470154 |
10 | 157144728748 |
11 | 60710114657 |
12 | 26557550664 |
13 | 11a84859bc7 |
14 | 786a623220 |
15 | 414ae8619d |
hex | 24968e44ac |
157144728748 has 12 divisors (see below), whose sum is σ = 314289457552. Its totient is φ = 67347740880.
The previous prime is 157144728737. The next prime is 157144728757. The reversal of 157144728748 is 847827441751.
157144728748 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 157144728692 and 157144728701.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2806155843 + ... + 2806155898.
Almost surely, 2157144728748 is an apocalyptic number.
It is an amenable number.
157144728748 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.
157144728748 is a wasteful number, since it uses less digits than its factorization.
157144728748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5612311752 (or 5612311750 counting only the distinct ones).
The product of its digits is 14049280, while the sum is 58.
The spelling of 157144728748 in words is "one hundred fifty-seven billion, one hundred forty-four million, seven hundred twenty-eight thousand, seven hundred forty-eight".
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