Base | Representation |
---|---|
bin | 10011001100010001… |
… | …101000101101111000 |
3 | 1222012010210022201100 |
4 | 103030101220231320 |
5 | 314200400410342 |
6 | 13244452251400 |
7 | 1326442662600 |
oct | 231421505570 |
9 | 58163708640 |
10 | 20607044472 |
11 | 8815159573 |
12 | 3bb1310b60 |
13 | 1c3539ba51 |
14 | dd6b83c00 |
15 | 8091cae4c |
hex | 4cc468b78 |
20607044472 has 288 divisors, whose sum is σ = 68773395600. Its totient is φ = 5542483968.
The previous prime is 20607044467. The next prime is 20607044509. The reversal of 20607044472 is 27444070602.
It is a happy number.
20607044472 is a `hidden beast` number, since 2 + 0 + 607 + 0 + 4 + 4 + 47 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11595648 + ... + 11597424.
Almost surely, 220607044472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20607044472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34386697800).
20607044472 is an abundant number, since it is smaller than the sum of its proper divisors (48166351128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20607044472 is a wasteful number, since it uses less digits than its factorization.
20607044472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1995 (or 1981 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 36.
The spelling of 20607044472 in words is "twenty billion, six hundred seven million, forty-four thousand, four hundred seventy-two".
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