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129936163320 = 233254361313693
BaseRepresentation
bin111100100000011001…
…1001000000111111000
3110102101110211000011100
41321000303020013320
54112102124211240
6135405234531400
712246640110405
oct1710063100770
9412343730140
10129936163320
1150118638747
1221223436b60
13c3398b3452
146408c0d2ac
1535a7453e30
hex1e40cc81f8

129936163320 has 192 divisors, whose sum is σ = 432849811680. Its totient is φ = 33786160128.

The previous prime is 129936163267. The next prime is 129936163381. The reversal of 129936163320 is 23361639921.

129936163320 is a `hidden beast` number, since 1 + 2 + 9 + 9 + 3 + 6 + 1 + 633 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9482394 + ... + 9496086.

Almost surely, 2129936163320 is an apocalyptic number.

129936163320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129936163320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216424905840).

129936163320 is an abundant number, since it is smaller than the sum of its proper divisors (302913648360).

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

129936163320 is a wasteful number, since it uses less digits than its factorization.

129936163320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14366 (or 14359 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The spelling of 129936163320 in words is "one hundred twenty-nine billion, nine hundred thirty-six million, one hundred sixty-three thousand, three hundred twenty".