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129465192984 = 23315135724391
BaseRepresentation
bin111100010010010111…
…0100001001000011000
3110101011122121020022120
41320210232201020120
54110121042133414
6135250412221240
712232160661141
oct1704456411030
9411148536276
10129465192984
114a9a67a9766
122111176a820
13c29315378a
1463a2452ac8
15357ae222a9
hex1e24ba1218

129465192984 has 32 divisors (see below), whose sum is σ = 325806455040. Its totient is φ = 42869268000.

The previous prime is 129465192977. The next prime is 129465192991. The reversal of 129465192984 is 489291564921.

It is an interprime number because it is at equal distance from previous prime (129465192977) and next prime (129465192991).

It is a super-2 number, since 2×1294651929842 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17858572 + ... + 17865819.

It is an arithmetic number, because the mean of its divisors is an integer number (10181451720).

Almost surely, 2129465192984 is an apocalyptic number.

It is an amenable number.

129465192984 is an abundant number, since it is smaller than the sum of its proper divisors (196341262056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129465192984 is a wasteful number, since it uses less digits than its factorization.

129465192984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35724551 (or 35724547 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 60.

The spelling of 129465192984 in words is "one hundred twenty-nine billion, four hundred sixty-five million, one hundred ninety-two thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 151 302 453 604 906 1208 1812 3624 35724391 71448782 107173173 142897564 214346346 285795128 428692692 857385384 5394383041 10788766082 16183149123 21577532164 32366298246 43155064328 64732596492 129465192984