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12148711344 = 2433711521701
BaseRepresentation
bin10110101000001111…
…01001111110110000
31011100122221110222000
423110013221332300
5144340032230334
65325301014000
7610025225340
oct132407517660
934318843860
1012148711344
1151746a3710
1224306b4300
1311b7c01cc3
1483368cd20
154b1848299
hex2d41e9fb0

12148711344 has 320 divisors, whose sum is σ = 43621493760. Its totient is φ = 3144960000.

The previous prime is 12148711331. The next prime is 12148711361. The reversal of 12148711344 is 44311784121.

12148711344 is a `hidden beast` number, since 1 + 21 + 487 + 113 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12148711299 and 12148711308.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17330194 + ... + 17330894.

It is an arithmetic number, because the mean of its divisors is an integer number (136317168).

Almost surely, 212148711344 is an apocalyptic number.

12148711344 is a gapful number since it is divisible by the number (14) 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 12148711344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21810746880).

12148711344 is an abundant number, since it is smaller than the sum of its proper divisors (31472782416).

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

12148711344 is a wasteful number, since it uses less digits than its factorization.

12148711344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1245 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The spelling of 12148711344 in words is "twelve billion, one hundred forty-eight million, seven hundred eleven thousand, three hundred forty-four".