Base | Representation |
---|---|
bin | 1000011110001110011… |
… | …0111001011010000111 |
3 | 111220200210210102010101 |
4 | 2013203212321122013 |
5 | 4341042422423130 |
6 | 150511012104531 |
7 | 13341633136234 |
oct | 2074346713207 |
9 | 456623712111 |
10 | 145552545415 |
11 | 56801687752 |
12 | 24261305147 |
13 | 10958042824 |
14 | 708ac4278b |
15 | 3bbd4201ca |
hex | 21e39b9687 |
145552545415 has 32 divisors (see below), whose sum is σ = 184836096000. Its totient is φ = 109726316928.
The previous prime is 145552545409. The next prime is 145552545461. The reversal of 145552545415 is 514545255541.
It is not a de Polignac number, because 145552545415 - 23 = 145552545407 is a prime.
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, 28431226 + ... + 28436344.
It is an arithmetic number, because the mean of its divisors is an integer number (5776128000).
Almost surely, 2145552545415 is an apocalyptic number.
145552545415 is a deficient number, since it is larger than the sum of its proper divisors (39283550585).
145552545415 is a wasteful number, since it uses less digits than its factorization.
145552545415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6679.
The product of its digits is 2000000, while the sum is 46.
The spelling of 145552545415 in words is "one hundred forty-five billion, five hundred fifty-two million, five hundred forty-five thousand, four hundred fifteen".
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