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1390279180683 = 31924390862819
BaseRepresentation
bin10100001110110011000…
…110001100000110001011
311220220112221120000020210
4110032303012030012023
5140234242432240213
62542404015452203
7202305262023651
oct24166306140613
94826487500223
101390279180683
11496683397918
121a5541827063
13a1144a08193
144b40b59add1
152626ea4c0c3
hex143b318c18b

1390279180683 has 8 divisors (see below), whose sum is σ = 1951269025600. Its totient is φ = 878071061448.

The previous prime is 1390279180657. The next prime is 1390279180691. The reversal of 1390279180683 is 3860819720931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1390279180683 - 217 = 1390279049611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 24390862819 = 1390279180683 / (1 + 3 + 9 + 0 + 2 + 7 + 9 + 1 + 8 + 0 + 6 + 8 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1390279180643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12195431353 + ... + 12195431466.

It is an arithmetic number, because the mean of its divisors is an integer number (243908628200).

Almost surely, 21390279180683 is an apocalyptic number.

1390279180683 is a deficient number, since it is larger than the sum of its proper divisors (560989844917).

1390279180683 is a wasteful number, since it uses less digits than its factorization.

1390279180683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24390862841.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 1390279180683 in words is "one trillion, three hundred ninety billion, two hundred seventy-nine million, one hundred eighty thousand, six hundred eighty-three".

Divisors: 1 3 19 57 24390862819 73172588457 463426393561 1390279180683