Base | Representation |
---|---|
bin | 1011110100110001010001… |
… | …0010111011101001111100 |
3 | 1201000220101102202200221110 |
4 | 2331030110102323221330 |
5 | 3201002432331343002 |
6 | 43352401040202020 |
7 | 2511210005652000 |
oct | 275142422735174 |
9 | 51026342680843 |
10 | 13001206512252 |
11 | 4162865154262 |
12 | 155b879909310 |
13 | 73401591caaa |
14 | 32d39436c700 |
15 | 1782d055be6c |
hex | bd3144bba7c |
13001206512252 has 48 divisors (see below), whose sum is σ = 35377432697600. Its totient is φ = 3714630430896.
The previous prime is 13001206512251. The next prime is 13001206512293. The reversal of 13001206512252 is 25221560210031.
It is a super-2 number, since 2×130012065122522 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13001206512251) 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, 1579345558 + ... + 1579353789.
Almost surely, 213001206512252 is an apocalyptic number.
13001206512252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13001206512252 is an abundant number, since it is smaller than the sum of its proper divisors (22376226185348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13001206512252 is a wasteful number, since it uses less digits than its factorization.
13001206512252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3158699375 (or 3158699359 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 30.
Adding to 13001206512252 its reverse (25221560210031), we get a palindrome (38222766722283).
The spelling of 13001206512252 in words is "thirteen trillion, one billion, two hundred six million, five hundred twelve thousand, two hundred fifty-two".
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