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13001206512252 = 223733158699347
BaseRepresentation
bin1011110100110001010001…
…0010111011101001111100
31201000220101102202200221110
42331030110102323221330
53201002432331343002
643352401040202020
72511210005652000
oct275142422735174
951026342680843
1013001206512252
114162865154262
12155b879909310
1373401591caaa
1432d39436c700
151782d055be6c
hexbd3144bba7c

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".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 343 588 686 1029 1372 2058 4116 3158699347 6317398694 9476098041 12634797388 18952196082 22110895429 37904392164 44221790858 66332686287 88443581716 132665372574 154776268003 265330745148 309552536006 464328804009 619105072012 928657608018 1083433876021 1857315216036 2166867752042 3250301628063 4333735504084 6500603256126 13001206512252