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12103432025 = 5223292393037
BaseRepresentation
bin10110100010110101…
…11011011101011001
31011020111202001102012
423101122323131121
5144241434311100
65321002315305
7605635321556
oct132132733531
934214661365
1012103432025
115151087693
1224194b8b35
1311ab70a4c9
1482b663a2d
154ac8a2135
hex2d16bb759

12103432025 has 48 divisors (see below), whose sum is σ = 16273958400. Its totient is φ = 8902037760.

The previous prime is 12103432001. The next prime is 12103432027. The reversal of 12103432025 is 52023430121.

It is not a de Polignac number, because 12103432025 - 26 = 12103431961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (12103432027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3983807 + ... + 3986843.

It is an arithmetic number, because the mean of its divisors is an integer number (339040800).

Almost surely, 212103432025 is an apocalyptic number.

It is an amenable number.

12103432025 is a deficient number, since it is larger than the sum of its proper divisors (4170526375).

12103432025 is a wasteful number, since it uses less digits than its factorization.

12103432025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12103432025 its reverse (52023430121), we get a palindrome (64126862146).

The spelling of 12103432025 in words is "twelve billion, one hundred three million, four hundred thirty-two thousand, twenty-five".

Divisors: 1 5 23 25 29 115 145 239 575 667 725 1195 3037 3335 5497 5975 6931 15185 16675 27485 34655 69851 75925 88073 137425 159413 173275 349255 440365 725843 797065 1746275 2025679 2201825 3629215 3985325 10128395 16694389 18146075 21049447 50641975 83471945 105247235 417359725 484137281 526236175 2420686405 12103432025