Base | Representation |
---|---|
bin | 11100011010001011… |
… | …10100110000010001 |
3 | 1110100221100200211212 |
4 | 32031011310300101 |
5 | 222214004004040 |
6 | 11001235345505 |
7 | 1046646666242 |
oct | 161505646021 |
9 | 43327320755 |
10 | 15252016145 |
11 | 6517402523 |
12 | 2b57a52295 |
13 | 1590b16332 |
14 | a498a6cc9 |
15 | 5e3ee5d65 |
hex | 38d174c11 |
15252016145 has 16 divisors (see below), whose sum is σ = 18458236368. Its totient is φ = 12097950720.
The previous prime is 15252016133. The next prime is 15252016147. The reversal of 15252016145 is 54161025251.
It can be written as a sum of positive squares in 8 ways, for example, as 908600449 + 14343415696 = 30143^2 + 119764^2 .
It is not a de Polignac number, because 15252016145 - 224 = 15235238929 is a prime.
It is a super-2 number, since 2×152520161452 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (15252016147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574055 + ... + 600035.
It is an arithmetic number, because the mean of its divisors is an integer number (1153639773).
Almost surely, 215252016145 is an apocalyptic number.
It is an amenable number.
15252016145 is a deficient number, since it is larger than the sum of its proper divisors (3206220223).
15252016145 is a wasteful number, since it uses less digits than its factorization.
15252016145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26980.
The product of its (nonzero) digits is 12000, while the sum is 32.
The spelling of 15252016145 in words is "fifteen billion, two hundred fifty-two million, sixteen thousand, one hundred forty-five".
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