Base | Representation |
---|---|
bin | 100010111011001100… |
… | …0111010100111111001 |
3 | 21011120221000122221211 |
4 | 1011312120322213321 |
5 | 2212100133441342 |
6 | 54242125003121 |
7 | 5263405215220 |
oct | 1056630724771 |
9 | 234527018854 |
10 | 75000687097 |
11 | 29897a29326 |
12 | 126516b34a1 |
13 | 70c3486bbb |
14 | 38b6c15cb7 |
15 | 1e3e650c17 |
hex | 117663a9f9 |
75000687097 has 16 divisors (see below), whose sum is σ = 89936001792. Its totient is φ = 61151492160.
The previous prime is 75000687049. The next prime is 75000687101. The reversal of 75000687097 is 79078600057.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75000687097 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 75000687097.
It is not an unprimeable number, because it can be changed into a prime (75000681097) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257718 + ... + 1315999.
It is an arithmetic number, because the mean of its divisors is an integer number (5621000112).
Almost surely, 275000687097 is an apocalyptic number.
It is an amenable number.
75000687097 is a deficient number, since it is larger than the sum of its proper divisors (14935314695).
75000687097 is a wasteful number, since it uses less digits than its factorization.
75000687097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2573928.
The product of its (nonzero) digits is 740880, while the sum is 49.
The spelling of 75000687097 in words is "seventy-five billion, six hundred eighty-seven thousand, ninety-seven".
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