Base | Representation |
---|---|
bin | 100001100011001010… |
… | …1011110100111111000 |
3 | 20212222002010121102210 |
4 | 1003012111132213320 |
5 | 2140023012332320 |
6 | 53033053055120 |
7 | 5130251234622 |
oct | 1030625364770 |
9 | 225862117383 |
10 | 72046995960 |
11 | 28611718475 |
12 | 11b684874a0 |
13 | 6a42567974 |
14 | 36b6825c12 |
15 | 1d1a1a80e0 |
hex | 10c655e9f8 |
72046995960 has 64 divisors (see below), whose sum is σ = 216363934080. Its totient is φ = 19192714880.
The previous prime is 72046995941. The next prime is 72046995961. The reversal of 72046995960 is 6959964027.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 72046995960.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72046995961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192642 + ... + 425681.
It is an arithmetic number, because the mean of its divisors is an integer number (3380686470).
Almost surely, 272046995960 is an apocalyptic number.
It is an amenable number.
72046995960 is an abundant number, since it is smaller than the sum of its proper divisors (144316938120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72046995960 is a wasteful number, since it uses less digits than its factorization.
72046995960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 619308 (or 619304 counting only the distinct ones).
The product of its (nonzero) digits is 7348320, while the sum is 57.
The spelling of 72046995960 in words is "seventy-two billion, forty-six million, nine hundred ninety-five thousand, nine hundred sixty".
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