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123214113508 = 2230803528377
BaseRepresentation
bin111001011000000100…
…0100010101011100100
3102210001000002111100111
41302300020202223210
54004320303113013
6132334230022404
711621234453503
oct1626010425344
9383030074314
10123214113508
1148289178182
121ba681a7a04
13b808057b95
145d6c16683a
15331224073d
hex1cb0222ae4

123214113508 has 6 divisors (see below), whose sum is σ = 215624698646. Its totient is φ = 61607056752.

The previous prime is 123214113443. The next prime is 123214113509. The reversal of 123214113508 is 805311412321.

It can be written as a sum of positive squares in only one way, i.e., 119067783844 + 4146329664 = 345062^2 + 64392^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123214113508.

It is not an unprimeable number, because it can be changed into a prime (123214113509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15401764185 + ... + 15401764192.

Almost surely, 2123214113508 is an apocalyptic number.

It is an amenable number.

123214113508 is a deficient number, since it is larger than the sum of its proper divisors (92410585138).

123214113508 is a wasteful number, since it uses less digits than its factorization.

123214113508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30803528381 (or 30803528379 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 123214113508 its reverse (805311412321), we get a palindrome (928525525829).

The spelling of 123214113508 in words is "one hundred twenty-three billion, two hundred fourteen million, one hundred thirteen thousand, five hundred eight".

Divisors: 1 2 4 30803528377 61607056754 123214113508