Base | Representation |
---|---|
bin | 11100000100110100… |
… | …111111110000011110 |
3 | 2212210220120220202100 |
4 | 130010310333300132 |
5 | 443214304210244 |
6 | 21503200305530 |
7 | 2115016560531 |
oct | 340464776036 |
9 | 85726526670 |
10 | 30145772574 |
11 | 1186a559135 |
12 | 5a139122a6 |
13 | 2ac5643a68 |
14 | 165d952a18 |
15 | bb6820b69 |
hex | 704d3fc1e |
30145772574 has 24 divisors (see below), whose sum is σ = 65394852120. Its totient is φ = 10036435248.
The previous prime is 30145772567. The next prime is 30145772653. The reversal of 30145772574 is 47527754103.
30145772574 is a `hidden beast` number, since 3 + 0 + 1 + 4 + 5 + 7 + 72 + 574 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 997669 + ... + 1027440.
It is an arithmetic number, because the mean of its divisors is an integer number (2724785505).
Almost surely, 230145772574 is an apocalyptic number.
30145772574 is an abundant number, since it is smaller than the sum of its proper divisors (35249079546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30145772574 is a wasteful number, since it uses less digits than its factorization.
30145772574 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2025944 (or 2025941 counting only the distinct ones).
The product of its (nonzero) digits is 823200, while the sum is 45.
The spelling of 30145772574 in words is "thirty billion, one hundred forty-five million, seven hundred seventy-two thousand, five hundred seventy-four".
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