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145520015037 = 32961139197269
BaseRepresentation
bin1000011110000110101…
…0110011011010111101
3111220121112120200211120
42013201222303122331
54341011110440122
6150503450541153
713341056501415
oct2074152633275
9456545520746
10145520015037
1156795289141
12242524377b9
1310951392b97
1470867b5645
153bba64675c
hex21e1ab36bd

145520015037 has 32 divisors (see below), whose sum is σ = 205476432000. Its totient is φ = 91469226240.

The previous prime is 145520015027. The next prime is 145520015057. The reversal of 145520015037 is 730510025541.

It is not a de Polignac number, because 145520015037 - 26 = 145520014973 is a prime.

It is a super-2 number, since 2×1455200150372 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145520014989 and 145520015007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145520015027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639039 + ... + 836307.

It is an arithmetic number, because the mean of its divisors is an integer number (6421138500).

Almost surely, 2145520015037 is an apocalyptic number.

It is an amenable number.

145520015037 is a deficient number, since it is larger than the sum of its proper divisors (59956416963).

145520015037 is a wasteful number, since it uses less digits than its factorization.

145520015037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197501.

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 145520015037 in words is "one hundred forty-five billion, five hundred twenty million, fifteen thousand, thirty-seven".

Divisors: 1 3 29 61 87 139 183 417 1769 4031 5307 8479 12093 25437 197269 245891 591807 737673 5720801 12033409 17162403 27420391 36100227 82261173 348968861 795191339 1046906583 1672643851 2385574017 5017931553 48506671679 145520015037