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1396193863680 = 2113657211347
BaseRepresentation
bin10100010100010011101…
…000111010100000000000
311221110211011002001000000
4110110103220322200000
5140333401112114210
62545222544000000
7202604662012500
oct24242350724000
94843734061000
101396193863680
11499139045790
121a6712600000
13a18782016c5
144b80cd1ba00
15264b8e30ac0
hex14513a3a800

1396193863680 has 2016 divisors, whose sum is σ = 6392351740320. Its totient is φ = 289282129920.

The previous prime is 1396193863679. The next prime is 1396193863699. The reversal of 1396193863680 is 863683916931.

1396193863680 is a `hidden beast` number, since 1 + 3 + 9 + 6 + 193 + 86 + 368 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

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

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 4023613267 + ... + 4023613613.

It is an arithmetic number, because the mean of its divisors is an integer number (3170809395).

Almost surely, 21396193863680 is an apocalyptic number.

1396193863680 is a gapful number since it is divisible by the number (10) 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 1396193863680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3196175870160).

1396193863680 is an abundant number, since it is smaller than the sum of its proper divisors (4996157876640).

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

1396193863680 is an equidigital number, since it uses as much as digits as its factorization.

1396193863680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 1396193863680 in words is "one trillion, three hundred ninety-six billion, one hundred ninety-three million, eight hundred sixty-three thousand, six hundred eighty".