Base | Representation |
---|---|
bin | 11100000000011101… |
… | …011110000101000111 |
3 | 2212121210201002211000 |
4 | 130000131132011013 |
5 | 443042024341310 |
6 | 21452021544343 |
7 | 2113140000531 |
oct | 340035360507 |
9 | 85553632730 |
10 | 30072496455 |
11 | 1183215a761 |
12 | 59b32750b3 |
13 | 2ab33c9001 |
14 | 1653d1a851 |
15 | bb01994c0 |
hex | 70075e147 |
30072496455 has 64 divisors (see below), whose sum is σ = 54213120000. Its totient is φ = 15814745856.
The previous prime is 30072496439. The next prime is 30072496457. The reversal of 30072496455 is 55469427003.
It is not a de Polignac number, because 30072496455 - 24 = 30072496439 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 30072496455.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30072496457) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3318771 + ... + 3327819.
It is an arithmetic number, because the mean of its divisors is an integer number (847080000).
Almost surely, 230072496455 is an apocalyptic number.
30072496455 is a deficient number, since it is larger than the sum of its proper divisors (24140623545).
30072496455 is a wasteful number, since it uses less digits than its factorization.
30072496455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9405 (or 9399 counting only the distinct ones).
The product of its (nonzero) digits is 907200, while the sum is 45.
The spelling of 30072496455 in words is "thirty billion, seventy-two million, four hundred ninety-six thousand, four hundred fifty-five".
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