Base | Representation |
---|---|
bin | 11100000101001010… |
… | …011110010010011111 |
3 | 2212211022011221202212 |
4 | 130011022132102133 |
5 | 443222224341110 |
6 | 21503521111035 |
7 | 2115115460003 |
oct | 340512362237 |
9 | 85738157685 |
10 | 30151402655 |
11 | 118727540a0 |
12 | 5a1578847b |
13 | 2ac686557a |
14 | 16605ba703 |
15 | bb7083e05 |
hex | 70529e49f |
30151402655 has 16 divisors (see below), whose sum is σ = 39499773984. Its totient is φ = 21912266880.
The previous prime is 30151402609. The next prime is 30151402661. The reversal of 30151402655 is 55620415103.
It is a de Polignac number, because none of the positive numbers 2k-30151402655 is a prime.
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, 124124 + ... + 275153.
It is an arithmetic number, because the mean of its divisors is an integer number (2468735874).
Almost surely, 230151402655 is an apocalyptic number.
30151402655 is a deficient number, since it is larger than the sum of its proper divisors (9348371329).
30151402655 is a wasteful number, since it uses less digits than its factorization.
30151402655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400666.
The product of its (nonzero) digits is 18000, while the sum is 32.
Adding to 30151402655 its reverse (55620415103), we get a palindrome (85771817758).
The spelling of 30151402655 in words is "thirty billion, one hundred fifty-one million, four hundred two thousand, six hundred fifty-five".
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