Base | Representation |
---|---|
bin | 1101110001100011100010… |
… | …1011001000011011010101 |
3 | 1222121211220110210211202210 |
4 | 3130120320223020123111 |
5 | 3441113432403012001 |
6 | 52113304113024033 |
7 | 3122122232560350 |
oct | 334307053103325 |
9 | 58554813724683 |
10 | 15145005516501 |
11 | 4909a6286a313 |
12 | 1847253855019 |
13 | 85b224b22253 |
14 | 3a5044bdd297 |
15 | 1b3e52a2bdd6 |
hex | dc638ac86d5 |
15145005516501 has 64 divisors (see below), whose sum is σ = 23410345420800. Its totient is φ = 8530328733696.
The previous prime is 15145005516439. The next prime is 15145005516523. The reversal of 15145005516501 is 10561550054151.
15145005516501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 15145005516501 - 29 = 15145005515989 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 15145005516501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15145005516541) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2006754610 + ... + 2006762156.
It is an arithmetic number, because the mean of its divisors is an integer number (365786647200).
Almost surely, 215145005516501 is an apocalyptic number.
It is an amenable number.
15145005516501 is a deficient number, since it is larger than the sum of its proper divisors (8265339904299).
15145005516501 is a wasteful number, since it uses less digits than its factorization.
15145005516501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10858.
The product of its (nonzero) digits is 75000, while the sum is 39.
The spelling of 15145005516501 in words is "fifteen trillion, one hundred forty-five billion, five million, five hundred sixteen thousand, five hundred one".
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