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145665938264 = 237111559151681
BaseRepresentation
bin1000011110101001011…
…1011101001101011000
3111220222201011100212112
42013222113131031120
54341310440011024
6150530142331452
713344511021520
oct2075227351530
9456881140775
10145665938264
115685a696450
1224293289b88
13109756952a2
14709bd1c680
153bc836d00e
hex21ea5dd358

145665938264 has 64 divisors (see below), whose sum is σ = 340738444800. Its totient is φ = 56716185600.

The previous prime is 145665938233. The next prime is 145665938279. The reversal of 145665938264 is 462839566541.

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, 884504 + ... + 1036184.

It is an arithmetic number, because the mean of its divisors is an integer number (5324038200).

Almost surely, 2145665938264 is an apocalyptic number.

145665938264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145665938264 is an abundant number, since it is smaller than the sum of its proper divisors (195072506536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145665938264 is a wasteful number, since it uses less digits than its factorization.

145665938264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153264 (or 153260 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 59.

The spelling of 145665938264 in words is "one hundred forty-five billion, six hundred sixty-five million, nine hundred thirty-eight thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 1559 3118 6236 10913 12472 17149 21826 34298 43652 68596 87304 120043 137192 151681 240086 303362 480172 606724 960344 1061767 1213448 1668491 2123534 3336982 4247068 6673964 8494136 11679437 13347928 23358874 46717748 93435496 236470679 472941358 945882716 1655294753 1891765432 2601177469 3310589506 5202354938 6621179012 10404709876 13242358024 18208242283 20809419752 36416484566 72832969132 145665938264