Base | Representation |
---|---|
bin | 1001011010011101001100… |
… | …10010000010001001001110 |
3 | 2201021220221010012002201000 |
4 | 10231032212102002021032 |
5 | 10203123041202112104 |
6 | 112005320242201130 |
7 | 4234354113366144 |
oct | 455164622021116 |
9 | 81256833162630 |
10 | 20700237144654 |
11 | 6660a15239a51 |
12 | 23a3a176531a6 |
13 | b72040911c52 |
14 | 517c7ac53594 |
15 | 25d6d9b83639 |
hex | 12d3a648224e |
20700237144654 has 32 divisors (see below), whose sum is σ = 46331466048000. Its totient is φ = 6850438189272.
The previous prime is 20700237144611. The next prime is 20700237144739. The reversal of 20700237144654 is 45644173200702.
20700237144654 is a `hidden beast` number, since 2 + 0 + 70 + 0 + 23 + 71 + 446 + 54 = 666.
It is a congruent number.
It is an unprimeable number.
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, 1378905174 + ... + 1378920185.
It is an arithmetic number, because the mean of its divisors is an integer number (1447858314000).
Almost surely, 220700237144654 is an apocalyptic number.
20700237144654 is an abundant number, since it is smaller than the sum of its proper divisors (25631228903346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20700237144654 is a wasteful number, since it uses less digits than its factorization.
20700237144654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2757825509 (or 2757825503 counting only the distinct ones).
The product of its (nonzero) digits is 1128960, while the sum is 45.
The spelling of 20700237144654 in words is "twenty trillion, seven hundred billion, two hundred thirty-seven million, one hundred forty-four thousand, six hundred fifty-four".
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