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138754154053 = 1249111092197
BaseRepresentation
bin1000000100111001100…
…1000101111001000101
3111021011000102100101201
42001032121011321011
54233132030412203
6143424235022501
713011312564244
oct2011631057105
9437130370351
10138754154053
1153933114699
1222a8459aa31
1310113738148
146a03da695b
15392167be1d
hex204e645e45

138754154053 has 4 divisors (see below), whose sum is σ = 138865247500. Its totient is φ = 138643060608.

The previous prime is 138754154051. The next prime is 138754154069. The reversal of 138754154053 is 350451457831.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50520204289 + 88233949764 = 224767^2 + 297042^2 .

It is a cyclic number.

It is not a de Polignac number, because 138754154053 - 21 = 138754154051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138754153994 and 138754154012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138754154051) 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, 55544850 + ... + 55547347.

It is an arithmetic number, because the mean of its divisors is an integer number (34716311875).

Almost surely, 2138754154053 is an apocalyptic number.

It is an amenable number.

138754154053 is a deficient number, since it is larger than the sum of its proper divisors (111093447).

138754154053 is a wasteful number, since it uses less digits than its factorization.

138754154053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111093446.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 138754154053 in words is "one hundred thirty-eight billion, seven hundred fifty-four million, one hundred fifty-four thousand, fifty-three".

Divisors: 1 1249 111092197 138754154053