Search a number
-
+
138737755045 = 535837744223
BaseRepresentation
bin1000000100110101101…
…0100010001110100101
3111021002212120012012001
42001031122202032211
54233113331130140
6143422451325301
713011023313601
oct2011532421645
9437085505161
10138737755045
115392493389a
1222a7abb0831
1310110215aa6
146a01b38501
15391eedce9a
hex204d6a23a5

138737755045 has 8 divisors (see below), whose sum is σ = 166531792896. Its totient is φ = 110959212816.

The previous prime is 138737755019. The next prime is 138737755049. The reversal of 138737755045 is 540557737831.

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

It is a cyclic number.

It is not a de Polignac number, because 138737755045 - 213 = 138737746853 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 (138737755049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3854197 + ... + 3890026.

It is an arithmetic number, because the mean of its divisors is an integer number (20816474112).

Almost surely, 2138737755045 is an apocalyptic number.

It is an amenable number.

138737755045 is a deficient number, since it is larger than the sum of its proper divisors (27794037851).

138737755045 is an equidigital number, since it uses as much as digits as its factorization.

138737755045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7747811.

The product of its (nonzero) digits is 12348000, while the sum is 55.

The spelling of 138737755045 in words is "one hundred thirty-eight billion, seven hundred thirty-seven million, seven hundred fifty-five thousand, forty-five".

Divisors: 1 5 3583 17915 7744223 38721115 27747551009 138737755045