Base | Representation |
---|---|
bin | 11001101010110110… |
… | …10100111101010110 |
3 | 1022120102212110001120 |
4 | 30311123110331112 |
5 | 211211000224240 |
6 | 10155300104410 |
7 | 665340521646 |
oct | 146533247526 |
9 | 38512773046 |
10 | 13781258070 |
11 | 5932185188 |
12 | 2807395106 |
13 | 13b81c1c98 |
14 | 94a416526 |
15 | 559d25ad0 |
hex | 3356d4f56 |
13781258070 has 16 divisors (see below), whose sum is σ = 33075019440. Its totient is φ = 3675002144.
The previous prime is 13781258053. The next prime is 13781258083. The reversal of 13781258070 is 7085218731.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229687605 + ... + 229687664.
It is an arithmetic number, because the mean of its divisors is an integer number (2067188715).
Almost surely, 213781258070 is an apocalyptic number.
13781258070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13781258070 is an abundant number, since it is smaller than the sum of its proper divisors (19293761370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13781258070 is a wasteful number, since it uses less digits than its factorization.
13781258070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459375279.
The product of its (nonzero) digits is 94080, while the sum is 42.
The spelling of 13781258070 in words is "thirteen billion, seven hundred eighty-one million, two hundred fifty-eight thousand, seventy".
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