Base | Representation |
---|---|
bin | 1011101101111111… |
… | …1010101000111000 |
3 | 22010020012102110010 |
4 | 2323133322220320 |
5 | 22420300043130 |
6 | 1240051221520 |
7 | 140645026431 |
oct | 27337725070 |
9 | 8106172403 |
10 | 3145706040 |
11 | 137473a564 |
12 | 7395a78a0 |
13 | 3b193bb29 |
14 | 21bad4488 |
15 | 1362760b0 |
hex | bb7faa38 |
3145706040 has 64 divisors (see below), whose sum is σ = 9443037600. Its totient is φ = 838328832.
The previous prime is 3145706033. The next prime is 3145706087. The reversal of 3145706040 is 406075413.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 3145705989 and 3145706007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207354 + ... + 222006.
Almost surely, 23145706040 is an apocalyptic number.
3145706040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3145706040 is an abundant number, since it is smaller than the sum of its proper divisors (6297331560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145706040 is a wasteful number, since it uses less digits than its factorization.
3145706040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16456 (or 16452 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 3145706040 is about 56086.5941201639. The cubic root of 3145706040 is about 1465.2308209111.
The spelling of 3145706040 in words is "three billion, one hundred forty-five million, seven hundred six thousand, forty".
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