Base | Representation |
---|---|
bin | 11011111110110011011… |
… | …00011010011110111010 |
3 | 10101220121201011201000021 |
4 | 31333121230122132322 |
5 | 111223002040140230 |
6 | 2013401433401054 |
7 | 126314063132020 |
oct | 15773154323672 |
9 | 3356551151007 |
10 | 961430005690 |
11 | 3408161a0340 |
12 | 1363b8b6918a |
13 | 6c87c56c4bb |
14 | 34767b5c710 |
15 | 1a02059ec7a |
hex | dfd9b1a7ba |
961430005690 has 64 divisors (see below), whose sum is σ = 2157721079040. Its totient is φ = 299649507840.
The previous prime is 961430005651. The next prime is 961430005729. The reversal of 961430005690 is 96500034169.
It is an interprime number because it is at equal distance from previous prime (961430005651) and next prime (961430005729).
It is a super-2 number, since 2×9614300056902 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25709326 + ... + 25746694.
It is an arithmetic number, because the mean of its divisors is an integer number (33714391860).
Almost surely, 2961430005690 is an apocalyptic number.
961430005690 is an abundant number, since it is smaller than the sum of its proper divisors (1196291073350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
961430005690 is a wasteful number, since it uses less digits than its factorization.
961430005690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70807.
The product of its (nonzero) digits is 174960, while the sum is 43.
The spelling of 961430005690 in words is "nine hundred sixty-one billion, four hundred thirty million, five thousand, six hundred ninety".
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