Base | Representation |
---|---|
bin | 100000100011011001… |
… | …1010101100010001000 |
3 | 20200102221222210102112 |
4 | 1001012303111202020 |
5 | 2121132234330100 |
6 | 52040500521452 |
7 | 5023240403063 |
oct | 1010663254210 |
9 | 220387883375 |
10 | 69907339400 |
11 | 27713963868 |
12 | 1166b9b0288 |
13 | 67911a36b2 |
14 | 35525b58da |
15 | 1c4240ab35 |
hex | 1046cd5888 |
69907339400 has 72 divisors (see below), whose sum is σ = 166067374170. Its totient is φ = 27367806720.
The previous prime is 69907339393. The next prime is 69907339423. The reversal of 69907339400 is 493370996.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 60515016004 + 9392323396 = 245998^2 + 96914^2 .
It is a super-2 number, since 2×699073394002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 362684 + ... + 520916.
Almost surely, 269907339400 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69907339400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83033687085).
69907339400 is an abundant number, since it is smaller than the sum of its proper divisors (96160034770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69907339400 is a wasteful number, since it uses less digits than its factorization.
69907339400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158343 (or 158287 counting only the distinct ones).
The product of its (nonzero) digits is 1102248, while the sum is 50.
The spelling of 69907339400 in words is "sixty-nine billion, nine hundred seven million, three hundred thirty-nine thousand, four hundred".
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