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13840642948608 = 293472192947263
BaseRepresentation
bin1100100101101000011010…
…0110110011111000000000
31211000011010012111222110000
43021122012212303320000
53303231114043323413
645234145324240000
72625645014642100
oct311320646637000
954004105458400
1013840642948608
114456869135313
1216764ab3a0000
13795222c6c8b8
1435bc680c1200
15190060b14073
hexc96869b3e00

13840642948608 has 2400 divisors, whose sum is σ = 53645373619200. Its totient is φ = 3526733758464.

The previous prime is 13840642948577. The next prime is 13840642948631. The reversal of 13840642948608 is 80684924604831.

13840642948608 is a `hidden beast` number, since 1 + 38 + 40 + 64 + 29 + 486 + 0 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 52626018685 + ... + 52626018947.

It is an arithmetic number, because the mean of its divisors is an integer number (22352239008).

Almost surely, 213840642948608 is an apocalyptic number.

13840642948608 is a gapful number since it is divisible by the number (18) 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 13840642948608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26822686809600).

13840642948608 is an abundant number, since it is smaller than the sum of its proper divisors (39804730670592).

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

13840642948608 is a wasteful number, since it uses less digits than its factorization.

13840642948608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 63.

The spelling of 13840642948608 in words is "thirteen trillion, eight hundred forty billion, six hundred forty-two million, nine hundred forty-eight thousand, six hundred eight".