Base | Representation |
---|---|
bin | 1101111100111001… |
… | …00011000110110100 |
3 | 201022222222122000000 |
4 | 12332130203012310 |
5 | 110314432402124 |
6 | 3235123151300 |
7 | 353416662600 |
oct | 67634430664 |
9 | 21288878000 |
10 | 7490122164 |
11 | 31a3a84708 |
12 | 1550515530 |
13 | 924a0cc65 |
14 | 510aa0500 |
15 | 2dc8806c9 |
hex | 1be7231b4 |
7490122164 has 504 divisors, whose sum is σ = 25119763200. Its totient is φ = 1939956480.
The previous prime is 7490122111. The next prime is 7490122181. The reversal of 7490122164 is 4612210947.
It is a happy number.
7490122164 is a `hidden beast` number, since 7 + 490 + 1 + 2 + 2 + 164 = 666.
It is a super-2 number, since 2×74901221642 (a number of 21 digits) contains 22 as substring.
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 167 ways as a sum of consecutive naturals, for example, 84158632 + ... + 84158720.
It is an arithmetic number, because the mean of its divisors is an integer number (49840800).
Almost surely, 27490122164 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 7490122164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12559881600).
7490122164 is an abundant number, since it is smaller than the sum of its proper divisors (17629641036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7490122164 is a wasteful number, since it uses less digits than its factorization.
7490122164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175 (or 151 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 7490122164 is about 86545.4918756604. The cubic root of 7490122164 is about 1956.5741003656.
The spelling of 7490122164 in words is "seven billion, four hundred ninety million, one hundred twenty-two thousand, one hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •