Base | Representation |
---|---|
bin | 1001001011011001111… |
… | …0001011101110000000 |
3 | 120002000000002111120122 |
4 | 2102312132023232000 |
5 | 10040412112011123 |
6 | 200234241355412 |
7 | 14251314325520 |
oct | 2226636135600 |
9 | 502000074518 |
10 | 157680188288 |
11 | 609653a02a7 |
12 | 26686938b68 |
13 | 11b3b778c7c |
14 | 78bb7a9680 |
15 | 417cea5bc8 |
hex | 24b678bb80 |
157680188288 has 128 divisors (see below), whose sum is σ = 374797368000. Its totient is φ = 64647217152.
The previous prime is 157680188243. The next prime is 157680188293. The reversal of 157680188288 is 882881086751.
It is a tau number, because it is divible by the number of its divisors (128).
It is a self number, because there is not a number n which added to its sum of digits gives 157680188288.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2804420 + ... + 2860092.
Almost surely, 2157680188288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157680188288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187398684000).
157680188288 is an abundant number, since it is smaller than the sum of its proper divisors (217117179712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157680188288 is a wasteful number, since it uses less digits than its factorization.
157680188288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55832 (or 55820 counting only the distinct ones).
The product of its (nonzero) digits is 13762560, while the sum is 62.
The spelling of 157680188288 in words is "one hundred fifty-seven billion, six hundred eighty million, one hundred eighty-eight thousand, two hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •