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129898333108 = 22509211130223
BaseRepresentation
bin111100011111010001…
…0110100001110110100
3110102021211122000212101
41320332202310032310
54112012433124413
6135401404031444
712246000420265
oct1707642641664
9412254560771
10129898333108
11500a924a305
1221212832584
13c331ac93cb
146403ba296c
1535a3e7eedd
hex1e3e8b43b4

129898333108 has 24 divisors (see below), whose sum is σ = 227884124160. Its totient is φ = 64788714720.

The previous prime is 129898333093. The next prime is 129898333109. The reversal of 129898333108 is 801333898921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129898333109) 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, 4282885 + ... + 4313107.

It is an arithmetic number, because the mean of its divisors is an integer number (9495171840).

Almost surely, 2129898333108 is an apocalyptic number.

It is an amenable number.

129898333108 is a deficient number, since it is larger than the sum of its proper divisors (97985791052).

129898333108 is a wasteful number, since it uses less digits than its factorization.

129898333108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32847 (or 32845 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 129898333108 in words is "one hundred twenty-nine billion, eight hundred ninety-eight million, three hundred thirty-three thousand, one hundred eight".

Divisors: 1 2 4 509 1018 2036 2111 4222 8444 30223 60446 120892 1074499 2148998 4297996 15383507 30767014 61534028 63800753 127601506 255203012 32474583277 64949166554 129898333108