Base | Representation |
---|---|
bin | 1000011100100110010… |
… | …0100000101101110111 |
3 | 111212120100210222211220 |
4 | 2013021210200231313 |
5 | 4334144110244000 |
6 | 150355405201423 |
7 | 13325050126434 |
oct | 2071144405567 |
9 | 455510728756 |
10 | 145115712375 |
11 | 565a8044607 |
12 | 2415ab60273 |
13 | 108b86a603a |
14 | 7048c10b8b |
15 | 3b94dd31a0 |
hex | 21c9920b77 |
145115712375 has 32 divisors (see below), whose sum is σ = 255676824000. Its totient is φ = 72842393600.
The previous prime is 145115712373. The next prime is 145115712421. The reversal of 145115712375 is 573217511541.
It is not a de Polignac number, because 145115712375 - 21 = 145115712373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145115712373) 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, 11375250 + ... + 11387999.
It is an arithmetic number, because the mean of its divisors is an integer number (7989900750).
Almost surely, 2145115712375 is an apocalyptic number.
145115712375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
145115712375 is a deficient number, since it is larger than the sum of its proper divisors (110561111625).
145115712375 is a wasteful number, since it uses less digits than its factorization.
145115712375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22763284 (or 22763274 counting only the distinct ones).
The product of its digits is 147000, while the sum is 42.
The spelling of 145115712375 in words is "one hundred forty-five billion, one hundred fifteen million, seven hundred twelve thousand, three hundred seventy-five".
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