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15490349214912 = 263211132931533947
BaseRepresentation
bin1110000101101010000011…
…0000110010110011000000
32000211212022001220102011100
43201122200300302303000
54012243213344334122
652540100155014400
73156066202561335
oct341324060626300
960755261812140
1015490349214912
114a32469332330
1218a217273a400
1388496cb1cb20
143b7a460ba98c
151bce15dbaaac
hexe16a0c32cc0

15490349214912 has 1344 divisors, whose sum is σ = 56767333109760. Its totient is φ = 3971203891200.

The previous prime is 15490349214889. The next prime is 15490349214937. The reversal of 15490349214912 is 21941294309451.

15490349214912 is a `hidden beast` number, since 1 + 5 + 4 + 9 + 0 + 3 + 492 + 149 + 1 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3924586123 + ... + 3924590069.

It is an arithmetic number, because the mean of its divisors is an integer number (42237599040).

Almost surely, 215490349214912 is an apocalyptic number.

15490349214912 is a gapful number since it is divisible by the number (12) 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 15490349214912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28383666554880).

15490349214912 is an abundant number, since it is smaller than the sum of its proper divisors (41276983894848).

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

15490349214912 is a wasteful number, since it uses less digits than its factorization.

15490349214912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102 (or 4089 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 15490349214912 in words is "fifteen trillion, four hundred ninety billion, three hundred forty-nine million, two hundred fourteen thousand, nine hundred twelve".