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129764111213 = 1111796737383
BaseRepresentation
bin111100011011010001…
…0110011001101101101
3110101221111001212001002
41320312202303031231
54111224103024323
6135340211130045
712242450513642
oct1706642631555
9411844055032
10129764111213
115003a504420
12211958a3925
13c310063079
1463d0023dc9
1535972ba828
hex1e368b336d

129764111213 has 4 divisors (see below), whose sum is σ = 141560848608. Its totient is φ = 117967373820.

The previous prime is 129764111189. The next prime is 129764111227. The reversal of 129764111213 is 312111467921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 129764111213 - 230 = 128690369389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129764101213) 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, 5898368681 + ... + 5898368702.

It is an arithmetic number, because the mean of its divisors is an integer number (35390212152).

Almost surely, 2129764111213 is an apocalyptic number.

It is an amenable number.

129764111213 is a deficient number, since it is larger than the sum of its proper divisors (11796737395).

129764111213 is a wasteful number, since it uses less digits than its factorization.

129764111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11796737394.

The product of its digits is 18144, while the sum is 38.

The spelling of 129764111213 in words is "one hundred twenty-nine billion, seven hundred sixty-four million, one hundred eleven thousand, two hundred thirteen".

Divisors: 1 11 11796737383 129764111213