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123242352155413 = 1719381555269831
BaseRepresentation
bin11100000001011010011000…
…100111110001101100010101
3121011100212001102101102000121
4130001122120213301230111
5112123200314122433123
61114040431024111541
734646652242603101
oct3401323047615425
9534325042342017
10123242352155413
11362a5873963317
12119a523a4655b1
13539c91c73491a
142260d66b7c901
15e3ac3a57a75d
hex7016989f1b15

123242352155413 has 8 divisors (see below), whose sum is σ = 137359897139520. Its totient is φ = 109887917711040.

The previous prime is 123242352155407. The next prime is 123242352155441. The reversal of 123242352155413 is 314551253242321.

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

It is a cyclic number.

It is not a de Polignac number, because 123242352155413 - 225 = 123242318600981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123242352155413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123242352155453) 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, 190777634593 + ... + 190777635238.

It is an arithmetic number, because the mean of its divisors is an integer number (17169987142440).

Almost surely, 2123242352155413 is an apocalyptic number.

It is an amenable number.

123242352155413 is a deficient number, since it is larger than the sum of its proper divisors (14117544984107).

123242352155413 is a wasteful number, since it uses less digits than its factorization.

123242352155413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381555269867.

The product of its digits is 864000, while the sum is 43.

The spelling of 123242352155413 in words is "one hundred twenty-three trillion, two hundred forty-two billion, three hundred fifty-two million, one hundred fifty-five thousand, four hundred thirteen".

Divisors: 1 17 19 323 381555269831 6486439587127 7249550126789 123242352155413