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125105023430 = 2512510502343
BaseRepresentation
bin111010010000011010…
…1110010100111000110
3102221220210011200010022
41310200311302213012
54022203341222210
6133250014455142
712016135103432
oct1644065624706
9387823150108
10125105023430
1149069584852
12202b55044b2
13ba49a280aa
1460ab3459c2
1533c3255155
hex1d20d729c6

125105023430 has 8 divisors (see below), whose sum is σ = 225189042192. Its totient is φ = 50042009368.

The previous prime is 125105023429. The next prime is 125105023441. The reversal of 125105023430 is 34320501521.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125105023430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6255251162 + ... + 6255251181.

It is an arithmetic number, because the mean of its divisors is an integer number (28148630274).

Almost surely, 2125105023430 is an apocalyptic number.

125105023430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125105023430 is a deficient number, since it is larger than the sum of its proper divisors (100084018762).

125105023430 is a wasteful number, since it uses less digits than its factorization.

125105023430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12510502350.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 125105023430 its reverse (34320501521), we get a palindrome (159425524951).

The spelling of 125105023430 in words is "one hundred twenty-five billion, one hundred five million, twenty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 12510502343 25021004686 62552511715 125105023430