Base | Representation |
---|---|
bin | 100000011110010110… |
… | …1001000000110110100 |
3 | 20200000011020101021201 |
4 | 1000330231020012310 |
5 | 2120310403030010 |
6 | 52012010022244 |
7 | 5016112463344 |
oct | 1007455100664 |
9 | 220004211251 |
10 | 69737939380 |
11 | 2763728104a |
12 | 11623117984 |
13 | 67650714b5 |
14 | 3537cbad24 |
15 | 1c325e823a |
hex | 103cb481b4 |
69737939380 has 12 divisors (see below), whose sum is σ = 146449672740. Its totient is φ = 27895175744.
The previous prime is 69737939303. The next prime is 69737939431. The reversal of 69737939380 is 8393973796.
It can be written as a sum of positive squares in 2 ways, for example, as 38703479824 + 31034459556 = 196732^2 + 176166^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1743448465 + ... + 1743448504.
It is an arithmetic number, because the mean of its divisors is an integer number (12204139395).
Almost surely, 269737939380 is an apocalyptic number.
It is an amenable number.
69737939380 is an abundant number, since it is smaller than the sum of its proper divisors (76711733360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69737939380 is a wasteful number, since it uses less digits than its factorization.
69737939380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3486896978 (or 3486896976 counting only the distinct ones).
The product of its (nonzero) digits is 46294416, while the sum is 64.
The spelling of 69737939380 in words is "sixty-nine billion, seven hundred thirty-seven million, nine hundred thirty-nine thousand, three hundred eighty".
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