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12361798990 = 251669740671
BaseRepresentation
bin10111000001101001…
…00001010101001110
31011220111220110021001
423200310201111032
5200304110031430
65402352130514
7615223362202
oct134064412516
934814813231
1012361798990
115273a05602
12248bb36a3a
1312200bc378
14853abab02
154c53da3ca
hex2e0d2154e

12361798990 has 16 divisors (see below), whose sum is σ = 22264600320. Its totient is φ = 4941750240.

The previous prime is 12361798987. The next prime is 12361798993. The reversal of 12361798990 is 9989716321.

It is an interprime number because it is at equal distance from previous prime (12361798987) and next prime (12361798993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361798993) 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, 353646 + ... + 387025.

It is an arithmetic number, because the mean of its divisors is an integer number (1391537520).

Almost surely, 212361798990 is an apocalyptic number.

12361798990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12361798990 is a deficient number, since it is larger than the sum of its proper divisors (9902801330).

12361798990 is a wasteful number, since it uses less digits than its factorization.

12361798990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742347.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 12361798990 in words is "twelve billion, three hundred sixty-one million, seven hundred ninety-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 1669 3338 8345 16690 740671 1481342 3703355 7406710 1236179899 2472359798 6180899495 12361798990