Base | Representation |
---|---|
bin | 100001100011010010… |
… | …0111011100011011111 |
3 | 20212222100202101220100 |
4 | 1003012210323203133 |
5 | 2140030031442443 |
6 | 53033315552143 |
7 | 5130330535263 |
oct | 1030644734337 |
9 | 225870671810 |
10 | 72051046623 |
11 | 28613a34826 |
12 | 11b698bb653 |
13 | 6a433555ca |
14 | 36b719c0a3 |
15 | 1d1a7083d3 |
hex | 10c693b8df |
72051046623 has 12 divisors (see below), whose sum is σ = 108598679280. Its totient is φ = 45945594816.
The previous prime is 72051046597. The next prime is 72051046657. The reversal of 72051046623 is 32664015027.
72051046623 is a `hidden beast` number, since 7 + 20 + 5 + 1 + 0 + 4 + 6 + 623 = 666.
It is not a de Polignac number, because 72051046623 - 216 = 72050981087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72051044623) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174036138 + ... + 174036551.
It is an arithmetic number, because the mean of its divisors is an integer number (9049889940).
Almost surely, 272051046623 is an apocalyptic number.
72051046623 is a deficient number, since it is larger than the sum of its proper divisors (36547632657).
72051046623 is a wasteful number, since it uses less digits than its factorization.
72051046623 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348072718 (or 348072715 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The spelling of 72051046623 in words is "seventy-two billion, fifty-one million, forty-six thousand, six hundred twenty-three".
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