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12069129108 = 2236071656937
BaseRepresentation
bin10110011110110000…
…00100101110010100
31011011010012021122210
423033120010232110
5144204144112413
65313335153420
7605040622221
oct131730045624
934133167583
1012069129108
115133788373
122409b15870
1311a4589b1a
14826c94948
154a98783c3
hex2cf604b94

12069129108 has 24 divisors (see below), whose sum is σ = 28207712512. Its totient is φ = 4016412864.

The previous prime is 12069129053. The next prime is 12069129109. The reversal of 12069129108 is 80192196021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12069129109) 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, 821185 + ... + 835752.

Almost surely, 212069129108 is an apocalyptic number.

It is an amenable number.

12069129108 is an abundant number, since it is smaller than the sum of its proper divisors (16138583404).

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

12069129108 is a wasteful number, since it uses less digits than its factorization.

12069129108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657551 (or 1657549 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

It can be divided in two parts, 1206912 and 9108, that added together give a triangular number (1216020 = T1559).

The spelling of 12069129108 in words is "twelve billion, sixty-nine million, one hundred twenty-nine thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 607 1214 1821 2428 3642 7284 1656937 3313874 4970811 6627748 9941622 19883244 1005760759 2011521518 3017282277 4023043036 6034564554 12069129108