Search a number
-
+
123242353501451 = 4118116607243431
BaseRepresentation
bin11100000001011010011000…
…101100111010010100001011
3121011100212001111220210102212
4130001122120230322110023
5112123200314444021301
61114040431113015335
734646652260210312
oct3401323054722413
9534325044823385
10123242353501451
11362a58746a2648
12119a523a9b454b
13539c91cab64b2
142260d6700d279
15e3ac3a7444bb
hex701698b3a50b

123242353501451 has 8 divisors (see below), whose sum is σ = 126945768794208. Its totient is φ = 119572152696000.

The previous prime is 123242353501367. The next prime is 123242353501459. The reversal of 123242353501451 is 154105353242321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123242353501451 is a prime.

It is a super-2 number, since 2×1232423535014512 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123242353501399 and 123242353501408.

It is not an unprimeable number, because it can be changed into a prime (123242353501459) 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, 8303614295 + ... + 8303629136.

It is an arithmetic number, because the mean of its divisors is an integer number (15868221099276).

Almost surely, 2123242353501451 is an apocalyptic number.

123242353501451 is a deficient number, since it is larger than the sum of its proper divisors (3703415292757).

123242353501451 is a wasteful number, since it uses less digits than its factorization.

123242353501451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16607243653.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 123242353501451 in words is "one hundred twenty-three trillion, two hundred forty-two billion, three hundred fifty-three million, five hundred one thousand, four hundred fifty-one".

Divisors: 1 41 181 7421 16607243431 680896980671 3005911061011 123242353501451