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1398793916208 = 2431319731799029
BaseRepresentation
bin10100010110101110100…
…111010100111100110000
311221201112100112101112210
4110112232213110330300
5140404212220304313
62550332544052120
7203026263052533
oct24265647247460
94851470471483
101398793916208
1149a252776727
121a7119304040
13a1ba0a92520
144b9b8374a1a
15265bc3219c3
hex145ae9d4f30

1398793916208 has 320 divisors, whose sum is σ = 4176107712000. Its totient is φ = 399869042688.

The previous prime is 1398793916203. The next prime is 1398793916237. The reversal of 1398793916208 is 8026193978931.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1398793916203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154917838 + ... + 154926866.

It is an arithmetic number, because the mean of its divisors is an integer number (13050336600).

Almost surely, 21398793916208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398793916208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088053856000).

1398793916208 is an abundant number, since it is smaller than the sum of its proper divisors (2777313795792).

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

1398793916208 is a wasteful number, since it uses less digits than its factorization.

1398793916208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324 (or 9318 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 66.

The spelling of 1398793916208 in words is "one trillion, three hundred ninety-eight billion, seven hundred ninety-three million, nine hundred sixteen thousand, two hundred eight".