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12499292149344 = 25337111327397157
BaseRepresentation
bin1011010111100011011111…
…0111100101011001100000
31122020220212011100021111000
42311320313313211121200
53114242022242234334
642330032345352000
72430021053162340
oct265706767453140
948226764307430
1012499292149344
113a89a13620660
12149a543798600
136c88a7cacb00
14312d7cbc2d20
1516a206830299
hexb5e37de5660

12499292149344 has 2304 divisors, whose sum is σ = 50726832629760. Its totient is φ = 2906676264960.

The previous prime is 12499292149339. The next prime is 12499292149373. The reversal of 12499292149344 is 44394129299421.

12499292149344 is a `hidden beast` number, since 1 + 2 + 499 + 2 + 9 + 2 + 14 + 93 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 79613325714 + ... + 79613325870.

It is an arithmetic number, because the mean of its divisors is an integer number (22016854440).

Almost surely, 212499292149344 is an apocalyptic number.

12499292149344 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 12499292149344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25363416314880).

12499292149344 is an abundant number, since it is smaller than the sum of its proper divisors (38227540480416).

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

12499292149344 is a wasteful number, since it uses less digits than its factorization.

12499292149344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 363 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 63.

The spelling of 12499292149344 in words is "twelve trillion, four hundred ninety-nine billion, two hundred ninety-two million, one hundred forty-nine thousand, three hundred forty-four".