Search a number
-
+
138080434467 = 31971499155863
BaseRepresentation
bin1000000010011000111…
…1000011100100100011
3111012102001200211212110
42000212033003210203
54230242042400332
6143233330530403
712655522220223
oct2004617034443
9435361624773
10138080434467
1153617895148
1222916a36a03
1310036c9a9c1
14697c710083
1538d244b4cc
hex20263c3923

138080434467 has 16 divisors (see below), whose sum is σ = 185166432000. Its totient is φ = 91524660192.

The previous prime is 138080434447. The next prime is 138080434477. The reversal of 138080434467 is 764434080831.

It is a happy number.

It is not a de Polignac number, because 138080434467 - 211 = 138080432419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138080434447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807978 + ... + 963840.

It is an arithmetic number, because the mean of its divisors is an integer number (11572902000).

Almost surely, 2138080434467 is an apocalyptic number.

138080434467 is a deficient number, since it is larger than the sum of its proper divisors (47085997533).

138080434467 is a wasteful number, since it uses less digits than its factorization.

138080434467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157562.

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 138080434467 in words is "one hundred thirty-eight billion, eighty million, four hundred thirty-four thousand, four hundred sixty-seven".

Divisors: 1 3 197 591 1499 4497 155863 295303 467589 885909 30705011 92115033 233638637 700915911 46026811489 138080434467