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12001104430 = 257891926341
BaseRepresentation
bin10110010110101001…
…00101001000101110
31010222101012021100021
423023110211020232
5144034240320210
65302505152354
7603253463440
oct131324451056
933871167307
1012001104430
1150a9346427
1223ab18b6ba
131193460433
1481bc28490
154a38dcbda
hex2cb52522e

12001104430 has 32 divisors (see below), whose sum is σ = 24965392320. Its totient is φ = 4068430080.

The previous prime is 12001104407. The next prime is 12001104461. The reversal of 12001104430 is 3440110021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956941 + ... + 969400.

It is an arithmetic number, because the mean of its divisors is an integer number (780168510).

Almost surely, 212001104430 is an apocalyptic number.

12001104430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001104430 is an abundant number, since it is smaller than the sum of its proper divisors (12964287890).

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

12001104430 is a wasteful number, since it uses less digits than its factorization.

12001104430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926444.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12001104430 its reverse (3440110021), we get a palindrome (15441214451).

The spelling of 12001104430 in words is "twelve billion, one million, one hundred four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 89 178 445 623 890 1246 3115 6230 1926341 3852682 9631705 13484387 19263410 26968774 67421935 134843870 171444349 342888698 857221745 1200110443 1714443490 2400220886 6000552215 12001104430