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1396386693120 = 2173519291289
BaseRepresentation
bin10100010100011111001…
…000100000000000000000
311221111022120220210021010
4110110133020200000000
5140334244443134440
62545254033000520
7202612523023446
oct24243710400000
94844276823233
101396386693120
11499227980361
121a67670b3140
13a18a9147c73
144b82a794b96
15264cad20580
hex1451f220000

1396386693120 has 576 divisors, whose sum is σ = 4869568368000. Its totient is φ = 340342603776.

The previous prime is 1396386693073. The next prime is 1396386693199. The reversal of 1396386693120 is 213966836931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1083309436 + ... + 1083310724.

It is an arithmetic number, because the mean of its divisors is an integer number (8454111750).

Almost surely, 21396386693120 is an apocalyptic number.

1396386693120 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 1396386693120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434784184000).

1396386693120 is an abundant number, since it is smaller than the sum of its proper divisors (3473181674880).

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

1396386693120 is an equidigital number, since it uses as much as digits as its factorization.

1396386693120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 57.

The spelling of 1396386693120 in words is "one trillion, three hundred ninety-six billion, three hundred eighty-six million, six hundred ninety-three thousand, one hundred twenty".