Base | Representation |
---|---|
bin | 11101101110101101… |
… | …00100010100110100 |
3 | 1112012100112021012201 |
4 | 32313112210110310 |
5 | 230142012021442 |
6 | 11155444354244 |
7 | 1103346446503 |
oct | 166726442464 |
9 | 45170467181 |
10 | 15961048372 |
11 | 6850660975 |
12 | 31153a5984 |
13 | 1674998929 |
14 | ab5b1283a |
15 | 63639e7b7 |
hex | 3b75a4534 |
15961048372 has 12 divisors (see below), whose sum is σ = 28087879680. Its totient is φ = 7935939896.
The previous prime is 15961048361. The next prime is 15961048379. The reversal of 15961048372 is 27384016951.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15961048379) 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, 11145268 + ... + 11146699.
It is an arithmetic number, because the mean of its divisors is an integer number (2340656640).
It is a 1-persistent number, because it is pandigital, but 2⋅15961048372 = 31922096744 is not.
Almost surely, 215961048372 is an apocalyptic number.
It is an amenable number.
15961048372 is a deficient number, since it is larger than the sum of its proper divisors (12126831308).
15961048372 is a wasteful number, since it uses less digits than its factorization.
15961048372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22292150 (or 22292148 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 46.
The spelling of 15961048372 in words is "fifteen billion, nine hundred sixty-one million, forty-eight thousand, three hundred seventy-two".
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