Base | Representation |
---|---|
bin | 11011111111101110… |
… | …10010110111111110 |
3 | 1102210110210100222212 |
4 | 31333313102313332 |
5 | 221240201303200 |
6 | 10523231140422 |
7 | 1041313525610 |
oct | 157767226776 |
9 | 42713710885 |
10 | 15030103550 |
11 | 6413113290 |
12 | 2ab5674712 |
13 | 1556b591c7 |
14 | a2821cdb0 |
15 | 5ce7ae035 |
hex | 37fdd2dfe |
15030103550 has 96 divisors (see below), whose sum is σ = 35978840064. Its totient is φ = 4533552000.
The previous prime is 15030103547. The next prime is 15030103567. The reversal of 15030103550 is 5530103051.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56384 + ... + 182316.
It is an arithmetic number, because the mean of its divisors is an integer number (374779584).
Almost surely, 215030103550 is an apocalyptic number.
15030103550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15030103550 is an abundant number, since it is smaller than the sum of its proper divisors (20948736514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15030103550 is a wasteful number, since it uses less digits than its factorization.
15030103550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125994 (or 125989 counting only the distinct ones).
The product of its (nonzero) digits is 1125, while the sum is 23.
The spelling of 15030103550 in words is "fifteen billion, thirty million, one hundred three thousand, five hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.139 sec. • engine limits •