Base | Representation |
---|---|
bin | 100000011100001010… |
… | …1010111101110000000 |
3 | 20122211001020111200210 |
4 | 1000320111113232000 |
5 | 2120133114244013 |
6 | 52000430114120 |
7 | 5014232232600 |
oct | 1007025275600 |
9 | 218731214623 |
10 | 69664603008 |
11 | 275a9941380 |
12 | 1160264b940 |
13 | 6752b051b0 |
14 | 352c26ac00 |
15 | 1c2ae5dcc3 |
hex | 1038557b80 |
69664603008 has 768 divisors, whose sum is σ = 267942608640. Its totient is φ = 15709962240.
The previous prime is 69664602901. The next prime is 69664603027. The reversal of 69664603008 is 80030646696.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45740935 + ... + 45742457.
It is an arithmetic number, because the mean of its divisors is an integer number (348883605).
Almost surely, 269664603008 is an apocalyptic number.
69664603008 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69664603008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133971304320).
69664603008 is an abundant number, since it is smaller than the sum of its proper divisors (198278005632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69664603008 is a wasteful number, since it uses less digits than its factorization.
69664603008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1595 (or 1576 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 48.
The spelling of 69664603008 in words is "sixty-nine billion, six hundred sixty-four million, six hundred three thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •