Base | Representation |
---|---|
bin | 11100110001000101… |
… | …101111110110111110 |
3 | 2221201122220100010102 |
4 | 130301011233312332 |
5 | 1001224410031111 |
6 | 22105004441102 |
7 | 2142304511540 |
oct | 346105576676 |
9 | 87648810112 |
10 | 30888361406 |
11 | 12110747111 |
12 | 5ba0549192 |
13 | 2bb3445136 |
14 | 16d0415690 |
15 | c0bb0713b |
hex | 73116fdbe |
30888361406 has 16 divisors (see below), whose sum is σ = 52965227616. Its totient is φ = 13234431456.
The previous prime is 30888361397. The next prime is 30888361409. The reversal of 30888361406 is 60416388803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30888361409) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230261 + ... + 338816.
It is an arithmetic number, because the mean of its divisors is an integer number (3310326726).
Almost surely, 230888361406 is an apocalyptic number.
30888361406 is a deficient number, since it is larger than the sum of its proper divisors (22076866210).
30888361406 is a wasteful number, since it uses less digits than its factorization.
30888361406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572963.
The product of its (nonzero) digits is 663552, while the sum is 47.
The spelling of 30888361406 in words is "thirty billion, eight hundred eighty-eight million, three hundred sixty-one thousand, four hundred six".
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