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145696472278 = 27377310493673
BaseRepresentation
bin1000011110110000101…
…1111011110011010110
3111221001211121122122221
42013230023323303112
54341341244103103
6150533153012554
713345331403130
oct2075413736326
9457054548587
10145696472278
1156875951075
12242a155415a
131097bac6356
1470a1dca050
153bcada01bd
hex21ec2fbcd6

145696472278 has 64 divisors (see below), whose sum is σ = 260348457600. Its totient is φ = 59848077312.

The previous prime is 145696472269. The next prime is 145696472329. The reversal of 145696472278 is 872274696541.

It is a congruent number.

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, 39665050 + ... + 39668722.

It is an arithmetic number, because the mean of its divisors is an integer number (4067944650).

Almost surely, 2145696472278 is an apocalyptic number.

145696472278 is a deficient number, since it is larger than the sum of its proper divisors (114651985322).

145696472278 is a wasteful number, since it uses less digits than its factorization.

145696472278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841.

The product of its digits is 40642560, while the sum is 61.

The spelling of 145696472278 in words is "one hundred forty-five billion, six hundred ninety-six million, four hundred seventy-two thousand, two hundred seventy-eight".

Divisors: 1 2 7 14 37 73 74 146 259 511 518 1022 1049 2098 2701 3673 5402 7343 7346 14686 18907 25711 37814 38813 51422 76577 77626 135901 153154 268129 271691 271802 536039 536258 543382 951307 1072078 1876903 1902614 2833349 3753806 3852977 5666698 7705954 9920773 19833443 19841546 26970839 39666886 53941678 69445411 138890822 142560149 281267321 285120298 562534642 997921043 1968871247 1995842086 3937742494 10406890877 20813781754 72848236139 145696472278