Base | Representation |
---|---|
bin | 10010000010111001011… |
… | …11110111010111001100 |
3 | 2012021102001100122220211 |
4 | 21001130233313113030 |
5 | 40124311010421103 |
6 | 1152501035252204 |
7 | 62536645310050 |
oct | 11013457672714 |
9 | 2167361318824 |
10 | 620031342028 |
11 | 219a5458a31a |
12 | a01bb2aa064 |
13 | 46612989c07 |
14 | 2201c7a7c60 |
15 | 111dd72a36d |
hex | 905cbf75cc |
620031342028 has 192 divisors, whose sum is σ = 1383724339200. Its totient is φ = 237303475200.
The previous prime is 620031341989. The next prime is 620031342041. The reversal of 620031342028 is 820243130026.
It is a super-4 number, since 4×6200313420284 (a number of 48 digits) contains 4444 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 874514938 + ... + 874515646.
It is an arithmetic number, because the mean of its divisors is an integer number (7206897600).
Almost surely, 2620031342028 is an apocalyptic number.
620031342028 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 620031342028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691862169600).
620031342028 is an abundant number, since it is smaller than the sum of its proper divisors (763692997172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
620031342028 is a wasteful number, since it uses less digits than its factorization.
620031342028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 957 (or 909 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 31.
The spelling of 620031342028 in words is "six hundred twenty billion, thirty-one million, three hundred forty-two thousand, twenty-eight".
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