Base | Representation |
---|---|
bin | 1001000100000000000… |
… | …0100001110001011100 |
3 | 112212212111021210001110 |
4 | 2101000000201301130 |
5 | 10022324312442222 |
6 | 155305122542020 |
7 | 14151132065313 |
oct | 2210000416134 |
9 | 485774253043 |
10 | 155692702812 |
11 | 60035521019 |
12 | 26211207910 |
13 | 118b2a93b6a |
14 | 776d84b27a |
15 | 40b376630c |
hex | 2440021c5c |
155692702812 has 48 divisors (see below), whose sum is σ = 375587380224. Its totient is φ = 50145024000.
The previous prime is 155692702807. The next prime is 155692702859. The reversal of 155692702812 is 218207296551.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88014 + ... + 564917.
It is an arithmetic number, because the mean of its divisors is an integer number (7824737088).
Almost surely, 2155692702812 is an apocalyptic number.
155692702812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
155692702812 is an abundant number, since it is smaller than the sum of its proper divisors (219894677412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155692702812 is a wasteful number, since it uses less digits than its factorization.
155692702812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 653610 (or 653608 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 48.
The spelling of 155692702812 in words is "one hundred fifty-five billion, six hundred ninety-two million, seven hundred two thousand, eight hundred twelve".
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