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12379898160 = 2432572984701
BaseRepresentation
bin10111000011110011…
…00100000100110000
31011221202221222122200
423201321210010300
5200323223220120
65404240103200
7615533253360
oct134171440460
934852858580
1012379898160
1152831477a3
122496004b00
131223a88536
1485626c9a0
154c6cb2e90
hex2e1e64130

12379898160 has 240 divisors, whose sum is σ = 49154264640. Its totient is φ = 2732083200.

The previous prime is 12379898129. The next prime is 12379898161. The reversal of 12379898160 is 6189897321.

It is a tau number, because it is divible by the number of its divisors (240).

It is a junction number, because it is equal to n+sod(n) for n = 12379898097 and 12379898106.

It is not an unprimeable number, because it can be changed into a prime (12379898161) 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, 103810 + ... + 188510.

It is an arithmetic number, because the mean of its divisors is an integer number (204809436).

Almost surely, 212379898160 is an apocalyptic number.

12379898160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12379898160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24577132320).

12379898160 is an abundant number, since it is smaller than the sum of its proper divisors (36774366480).

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

12379898160 is a wasteful number, since it uses less digits than its factorization.

12379898160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84756 (or 84747 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 12379898160 in words is "twelve billion, three hundred seventy-nine million, eight hundred ninety-eight thousand, one hundred sixty".