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105042424123 = 7131154312353
BaseRepresentation
bin110000111010100000…
…1000011000100111011
3101001010120212000202201
41201311001003010323
53210111330032443
6120131131411031
710406022605320
oct1416501030473
9331116760681
10105042424123
1140603789a6a
12184365b3a77
139ba03a3360
145126a06b47
152aebc7134d
hex187504313b

105042424123 has 8 divisors (see below), whose sum is σ = 129282983648. Its totient is φ = 83110489344.

The previous prime is 105042424099. The next prime is 105042424147. The reversal of 105042424123 is 321424240501.

It is an interprime number because it is at equal distance from previous prime (105042424099) and next prime (105042424147).

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 105042424123 - 217 = 105042293051 is a prime.

It is a super-2 number, since 2×1050424241232 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105042424091 and 105042424100.

It is not an unprimeable number, because it can be changed into a prime (105042424163) 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, 577156086 + ... + 577156267.

It is an arithmetic number, because the mean of its divisors is an integer number (16160372956).

Almost surely, 2105042424123 is an apocalyptic number.

105042424123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105042424123 is a deficient number, since it is larger than the sum of its proper divisors (24240559525).

105042424123 is a wasteful number, since it uses less digits than its factorization.

105042424123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154312373.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 105042424123 its reverse (321424240501), we get a palindrome (426466664624).

The spelling of 105042424123 in words is "one hundred five billion, forty-two million, four hundred twenty-four thousand, one hundred twenty-three".

Divisors: 1 7 13 91 1154312353 8080186471 15006060589 105042424123