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129880404071 = 1131737247033
BaseRepresentation
bin111100011110101111…
…0011011000001100111
3110102020120220010211222
41320331132123001213
54111443340412241
6135355523450555
712245362135115
oct1707536330147
9412216803758
10129880404071
115009a113a20
1221208826a5b
13c32b18c802
146401656ab5
1535a25dca4b
hex1e3d79b067

129880404071 has 8 divisors (see below), whose sum is σ = 142134681744. Its totient is φ = 117700621120.

The previous prime is 129880404023. The next prime is 129880404077. The reversal of 129880404071 is 170404088921.

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 129880404071 - 214 = 129880387687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129880404077) 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, 18620030 + ... + 18627003.

It is an arithmetic number, because the mean of its divisors is an integer number (17766835218).

Almost surely, 2129880404071 is an apocalyptic number.

129880404071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

129880404071 is a deficient number, since it is larger than the sum of its proper divisors (12254277673).

129880404071 is a wasteful number, since it uses less digits than its factorization.

129880404071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37247361.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 129880404071 in words is "one hundred twenty-nine billion, eight hundred eighty million, four hundred four thousand, seventy-one".

Divisors: 1 11 317 3487 37247033 409717363 11807309461 129880404071