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13121311032202 = 213734778336137
BaseRepresentation
bin1011111011110000101100…
…0101010100001110001010
31201110101101201121110212011
42332330023011110032022
53204434421111012302
643523502545010134
72522661214353202
oct276741305241612
951411351543764
1013121311032202
1141a97980077aa
12157abb862394a
13742446671089
14335109521402
1517b4ae7ab5d7
hexbef0b15438a

13121311032202 has 8 divisors (see below), whose sum is σ = 19696301560836. Its totient is φ = 6555877178592.

The previous prime is 13121311032199. The next prime is 13121311032209. The reversal of 13121311032202 is 20223011312131.

13121311032202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7678380038121 + 5442930994081 = 2770989^2 + 2333009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13121311032209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2389165323 + ... + 2389170814.

Almost surely, 213121311032202 is an apocalyptic number.

13121311032202 is a deficient number, since it is larger than the sum of its proper divisors (6574990528634).

13121311032202 is a wasteful number, since it uses less digits than its factorization.

13121311032202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778337512.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13121311032202 its reverse (20223011312131), we get a palindrome (33344322344333).

The spelling of 13121311032202 in words is "thirteen trillion, one hundred twenty-one billion, three hundred eleven million, thirty-two thousand, two hundred two".

Divisors: 1 2 1373 2746 4778336137 9556672274 6560655516101 13121311032202