Search a number
-
+
1913414145 = 35617129453
BaseRepresentation
bin111001000001100…
…0110001000000001
311221100102111202120
41302003012020001
512404313223040
6513511034453
765262515616
oct16203061001
94840374676
101913414145
118a2088405
1245496ba29
1324654c426
1414219a50d
15b2eac7d0
hex720c6201

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".

Divisors: 1 3 5 15 61 71 183 213 305 355 915 1065 4331 12993 21655 29453 64965 88359 147265 441795 1796633 2091163 5389899 6273489 8983165 10455815 26949495 31367445 127560943 382682829 637804715 1913414145