Search a number
-
+
12390057734 = 213944568553
BaseRepresentation
bin10111000101000000…
…10100011100000110
31011222111002010222012
423202200110130012
5200333323321414
65405241534222
7616015516205
oct134240243406
934874063865
1012390057734
11528895683a
1224994a4372
131225c04912
1485775523c
154c7b1d33e
hex2e2814706

12390057734 has 8 divisors (see below), whose sum is σ = 18718792680. Its totient is φ = 6150460176.

The previous prime is 12390057733. The next prime is 12390057751. The reversal of 12390057734 is 43775009321.

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

It is a junction number, because it is equal to n+sod(n) for n = 12390057691 and 12390057700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12390057733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22283999 + ... + 22284554.

It is an arithmetic number, because the mean of its divisors is an integer number (2339849085).

Almost surely, 212390057734 is an apocalyptic number.

12390057734 is a deficient number, since it is larger than the sum of its proper divisors (6328734946).

12390057734 is a wasteful number, since it uses less digits than its factorization.

12390057734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44568694.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 12390057734 in words is "twelve billion, three hundred ninety million, fifty-seven thousand, seven hundred thirty-four".

Divisors: 1 2 139 278 44568553 89137106 6195028867 12390057734