Base | Representation |
---|---|
bin | 100000011101001110… |
… | …0101110110101110000 |
3 | 20122220112000021210100 |
4 | 1000322130232311300 |
5 | 2120221210242102 |
6 | 52004134432400 |
7 | 5015142652113 |
oct | 1007234566560 |
9 | 218815007710 |
10 | 69700087152 |
11 | 27617978113 |
12 | 11612502700 |
13 | 675a27a427 |
14 | 3532c6657a |
15 | 1c2e11ca1c |
hex | 103a72ed70 |
69700087152 has 60 divisors (see below), whose sum is σ = 198743902344. Its totient is φ = 22794994560.
The previous prime is 69700087129. The next prime is 69700087157. The reversal of 69700087152 is 25178000796.
It is a super-2 number, since 2×697000871522 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 69700087098 and 69700087107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69700087157) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4558674 + ... + 4573937.
Almost surely, 269700087152 is an apocalyptic number.
It is an amenable number.
69700087152 is an abundant number, since it is smaller than the sum of its proper divisors (129043815192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69700087152 is a wasteful number, since it uses less digits than its factorization.
69700087152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9132678 (or 9132669 counting only the distinct ones).
The product of its (nonzero) digits is 211680, while the sum is 45.
The spelling of 69700087152 in words is "sixty-nine billion, seven hundred million, eighty-seven thousand, one hundred fifty-two".
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