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124425140111 = 479259760209
BaseRepresentation
bin111001111100001010…
…0001111011110001111
3102220011101212000112122
41303320110033132033
54014310313440421
6133054330323155
711663241145346
oct1637024173617
9386141760478
10124425140111
114884a825408
12201458894bb
13b96bc1027c
146044d26b5d
1533837082ab
hex1cf850f78f

124425140111 has 4 divisors (see below), whose sum is σ = 124684900800. Its totient is φ = 124165379424.

The previous prime is 124425140101. The next prime is 124425140131. The reversal of 124425140111 is 111041524421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111041524421 = 195844290759.

It is a cyclic number.

It is not a de Polignac number, because 124425140111 - 210 = 124425139087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124425140101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129879626 + ... + 129880583.

It is an arithmetic number, because the mean of its divisors is an integer number (31171225200).

Almost surely, 2124425140111 is an apocalyptic number.

124425140111 is a deficient number, since it is larger than the sum of its proper divisors (259760689).

124425140111 is an equidigital number, since it uses as much as digits as its factorization.

124425140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259760688.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 124425140111 its reverse (111041524421), we get a palindrome (235466664532).

The spelling of 124425140111 in words is "one hundred twenty-four billion, four hundred twenty-five million, one hundred forty thousand, one hundred eleven".

Divisors: 1 479 259760209 124425140111