Base | Representation |
---|---|
bin | 111001000001100… |
… | …0110001000000001 |
3 | 11221100102111202120 |
4 | 1302003012020001 |
5 | 12404313223040 |
6 | 513511034453 |
7 | 65262515616 |
oct | 16203061001 |
9 | 4840374676 |
10 | 1913414145 |
11 | 8a2088405 |
12 | 45496ba29 |
13 | 24654c426 |
14 | 14219a50d |
15 | b2eac7d0 |
hex | 720c6201 |
1913414145 has 32 divisors (see below), whose sum is σ = 3155583744. Its totient is φ = 989587200.
The previous prime is 1913414101. The next prime is 1913414161. The reversal of 1913414145 is 5414143191.
It is a happy number.
It is not a de Polignac number, because 1913414145 - 28 = 1913413889 is a prime.
It is a super-2 number, since 2×19134141452 = 7322307380572162050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50239 + ... + 79691.
It is an arithmetic number, because the mean of its divisors is an integer number (98611992).
Almost surely, 21913414145 is an apocalyptic number.
1913414145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1913414145 is a deficient number, since it is larger than the sum of its proper divisors (1242169599).
1913414145 is a wasteful number, since it uses less digits than its factorization.
1913414145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29593.
The product of its digits is 8640, while the sum is 33.
The square root of 1913414145 is about 43742.5896009827. The cubic root of 1913414145 is about 1241.4702784054.
The spelling of 1913414145 in words is "one billion, nine hundred thirteen million, four hundred fourteen thousand, one hundred forty-five".
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