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12103201432 = 237832137229
BaseRepresentation
bin10110100010110100…
…00011001010011000
31011020111022100002201
423101122003022120
5144241404421212
65320553335544
7605633341360
oct132132031230
934214270081
1012103201432
115150a3a413
1224194075b4
1311ab65956a
1482b6039a0
154ac858b57
hex2d1683298

12103201432 has 96 divisors (see below), whose sum is σ = 26558762400. Its totient is φ = 5064970752.

The previous prime is 12103201393. The next prime is 12103201483. The reversal of 12103201432 is 23410230121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52852294 + ... + 52852522.

It is an arithmetic number, because the mean of its divisors is an integer number (276653775).

Almost surely, 212103201432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103201432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13279381200).

12103201432 is an abundant number, since it is smaller than the sum of its proper divisors (14455560968).

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

12103201432 is a wasteful number, since it uses less digits than its factorization.

12103201432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12103201432 its reverse (23410230121), we get a palindrome (35513431553).

The spelling of 12103201432 in words is "twelve billion, one hundred three million, two hundred one thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 83 137 166 229 274 332 458 548 581 664 916 959 1096 1162 1603 1832 1918 2324 3206 3836 4648 6412 6889 7672 11371 12824 13778 19007 22742 27556 31373 38014 45484 48223 55112 62746 76028 79597 90968 96446 125492 133049 152056 159194 192892 219611 250984 266098 318388 385784 439222 532196 636776 878444 943793 1064392 1577581 1756888 1887586 2603959 3155162 3775172 5207918 6310324 6606551 7550344 10415836 11043067 12620648 13213102 18227713 20831672 22086134 26426204 36455426 44172268 52852408 72910852 88344536 145821704 216128597 432257194 864514388 1512900179 1729028776 3025800358 6051600716 12103201432