Base | Representation |
---|---|
bin | 10010000100100000011… |
… | …10101010100011010111 |
3 | 2012100122020120210001120 |
4 | 21002100032222203113 |
5 | 40133043113212124 |
6 | 1153122451455023 |
7 | 62600233610631 |
oct | 11022016524327 |
9 | 2170566523046 |
10 | 620895054039 |
11 | 21a3580869a7 |
12 | a04005b7473 |
13 | 4671c8b9500 |
14 | 220a1399a51 |
15 | 1123e489d79 |
hex | 90903aa8d7 |
620895054039 has 48 divisors (see below), whose sum is σ = 899073126432. Its totient is φ = 380969132544.
The previous prime is 620895054037. The next prime is 620895054061. The reversal of 620895054039 is 930450598026.
It is not a de Polignac number, because 620895054039 - 21 = 620895054037 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 620895053982 and 620895054000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (620895054037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388787589 + ... + 388789185.
It is an arithmetic number, because the mean of its divisors is an integer number (18730690134).
Almost surely, 2620895054039 is an apocalyptic number.
620895054039 is a deficient number, since it is larger than the sum of its proper divisors (278178072393).
620895054039 is a wasteful number, since it uses less digits than its factorization.
620895054039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3396 (or 3383 counting only the distinct ones).
The product of its (nonzero) digits is 2332800, while the sum is 51.
The spelling of 620895054039 in words is "six hundred twenty billion, eight hundred ninety-five million, fifty-four thousand, thirty-nine".
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