Search a number
-
+
12407732100 = 223252472792
BaseRepresentation
bin10111000111000111…
…01111011110000100
31012000201100002122100
423203203233132010
5200402334411400
65411112432100
7616321661031
oct134343573604
935021302570
1012407732100
115297928855
1224a33a8630
13122978261a
14859c36388
154c9460100
hex2e38ef784

12407732100 has 243 divisors, whose sum is σ = 40245788037. Its totient is φ = 3197338560.

The previous prime is 12407732093. The next prime is 12407732131. The reversal of 12407732100 is 123770421.

It is a happy number.

The square root of 12407732100 is 111390.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4466783556 + 7940948544 = 66834^2 + 89112^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 157059861 + ... + 157059939.

Almost surely, 212407732100 is an apocalyptic number.

12407732100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12407732100 is the 111390-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12407732100

12407732100 is an abundant number, since it is smaller than the sum of its proper divisors (27838055937).

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

12407732100 is a wasteful number, since it uses less digits than its factorization.

12407732100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The spelling of 12407732100 in words is "twelve billion, four hundred seven million, seven hundred thirty-two thousand, one hundred".