Base | Representation |
---|---|
bin | 100000011101100010… |
… | …1010101011011011100 |
3 | 20122221021001001100220 |
4 | 1000323011111123130 |
5 | 2120231421342342 |
6 | 52005154521340 |
7 | 5015332302501 |
oct | 1007305253334 |
9 | 218837031326 |
10 | 69710730972 |
11 | 27622987a63 |
12 | 11615b96250 |
13 | 675c53604c |
14 | 35344374a8 |
15 | 1c300215ec |
hex | 103b1556dc |
69710730972 has 12 divisors (see below), whose sum is σ = 162658372296. Its totient is φ = 23236910320.
The previous prime is 69710730923. The next prime is 69710730977. The reversal of 69710730972 is 27903701796.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69710730977) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2904613779 + ... + 2904613802.
It is an arithmetic number, because the mean of its divisors is an integer number (13554864358).
Almost surely, 269710730972 is an apocalyptic number.
It is an amenable number.
69710730972 is an abundant number, since it is smaller than the sum of its proper divisors (92947641324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69710730972 is a wasteful number, since it uses less digits than its factorization.
69710730972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5809227588 (or 5809227586 counting only the distinct ones).
The product of its (nonzero) digits is 1000188, while the sum is 51.
The spelling of 69710730972 in words is "sixty-nine billion, seven hundred ten million, seven hundred thirty thousand, nine hundred seventy-two".
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