Base | Representation |
---|---|
bin | 1011101101111100… |
… | …1010011100001100 |
3 | 22010012211101122021 |
4 | 2323133022130030 |
5 | 22420222233440 |
6 | 1240043055524 |
7 | 140643245032 |
oct | 27337123414 |
9 | 8105741567 |
10 | 3145508620 |
11 | 1374615201 |
12 | 7395115a4 |
13 | 3b18a0007 |
14 | 21ba82552 |
15 | 13623784a |
hex | bb7ca70c |
3145508620 has 24 divisors (see below), whose sum is σ = 6818652288. Its totient is φ = 1217616000.
The previous prime is 3145508617. The next prime is 3145508647. The reversal of 3145508620 is 268055413.
It is a super-3 number, since 3×31455086203 (a number of 29 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2536081 + ... + 2537320.
It is an arithmetic number, because the mean of its divisors is an integer number (284110512).
Almost surely, 23145508620 is an apocalyptic number.
It is an amenable number.
3145508620 is an abundant number, since it is smaller than the sum of its proper divisors (3673143668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145508620 is a wasteful number, since it uses less digits than its factorization.
3145508620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5073441 (or 5073439 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 34.
The square root of 3145508620 is about 56084.8341354416. The cubic root of 3145508620 is about 1465.2001683415.
The spelling of 3145508620 in words is "three billion, one hundred forty-five million, five hundred eight thousand, six hundred twenty".
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