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135669198243 = 345223066081
BaseRepresentation
bin111111001011010000…
…0111010110110100011
3110222012000112100121010
41332112200322312203
54210322303320433
6142154153432003
712542003105055
oct1762640726643
9428160470533
10135669198243
115259a7a8737
122236340b603
13ca415798c7
1467d03a78d5
1537e0905e63
hex1f9683ada3

135669198243 has 4 divisors (see below), whose sum is σ = 180892264328. Its totient is φ = 90446132160.

The previous prime is 135669198209. The next prime is 135669198251. The reversal of 135669198243 is 342891966531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135669198243 - 214 = 135669181859 is a prime.

It is a super-2 number, since 2×1356691982432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135669198253) 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, 22611533038 + ... + 22611533043.

It is an arithmetic number, because the mean of its divisors is an integer number (45223066082).

Almost surely, 2135669198243 is an apocalyptic number.

135669198243 is a deficient number, since it is larger than the sum of its proper divisors (45223066085).

135669198243 is an equidigital number, since it uses as much as digits as its factorization.

135669198243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45223066084.

The product of its digits is 8398080, while the sum is 57.

The spelling of 135669198243 in words is "one hundred thirty-five billion, six hundred sixty-nine million, one hundred ninety-eight thousand, two hundred forty-three".

Divisors: 1 3 45223066081 135669198243