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135938926201 = 1319661531857
BaseRepresentation
bin111111010011010010…
…1110110011001111001
3110222212211001221210111
41332212211312121321
54211400331114301
6142241030544321
712551456544001
oct1764645663171
9428784057714
10135938926201
1152718a86301
12224198080a1
13ca85408950
14681813b001
153809435551
hex1fa6976679

135938926201 has 8 divisors (see below), whose sum is σ = 146403487944. Its totient is φ = 125475467520.

The previous prime is 135938926177. The next prime is 135938926229. The reversal of 135938926201 is 102629839531.

It can be written as a sum of positive squares in 4 ways, for example, as 16933225 + 135921992976 = 4115^2 + 368676^2 .

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

It is not a de Polignac number, because 135938926201 - 211 = 135938924153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135938926241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10336 + ... + 521521.

It is an arithmetic number, because the mean of its divisors is an integer number (18300435993).

Almost surely, 2135938926201 is an apocalyptic number.

It is an amenable number.

135938926201 is a deficient number, since it is larger than the sum of its proper divisors (10464561743).

135938926201 is a wasteful number, since it uses less digits than its factorization.

135938926201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551531.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 135938926201 in words is "one hundred thirty-five billion, nine hundred thirty-eight million, nine hundred twenty-six thousand, two hundred one".

Divisors: 1 13 19661 255593 531857 6914141 10456840477 135938926201