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138453900077 = 5471093723143
BaseRepresentation
bin1000000011110001111…
…1101101101100101101
3111020101002102212101002
42000330133231230231
54232023144300302
6143334351330045
713001005506233
oct2007437555455
9436332385332
10138453900077
1153799687409
12229bbb20925
131009647b87c
1469b6168953
15390511cc02
hex203c7edb2d

138453900077 has 8 divisors (see below), whose sum is σ = 138725691456. Its totient is φ = 138182177952.

The previous prime is 138453900047. The next prime is 138453900083. The reversal of 138453900077 is 770009354831.

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 138453900077 - 234 = 121274030893 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 (138453900007) 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, 5970968 + ... + 5994110.

It is an arithmetic number, because the mean of its divisors is an integer number (17340711432).

Almost surely, 2138453900077 is an apocalyptic number.

It is an amenable number.

138453900077 is a deficient number, since it is larger than the sum of its proper divisors (271791379).

138453900077 is a wasteful number, since it uses less digits than its factorization.

138453900077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34627.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 138453900077 in words is "one hundred thirty-eight billion, four hundred fifty-three million, nine hundred thousand, seventy-seven".

Divisors: 1 547 10937 23143 5982539 12659221 253114991 138453900077