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124305017941 = 1329536221161
BaseRepresentation
bin111001111000100101…
…0000000110001010101
3102212212000211011220101
41303301022000301111
54014034041033231
6133034355534101
711660252135056
oct1636112006125
9385760734811
10124305017941
1148798a3a895
12201115ba331
13b950072870
146032db872d
153377dcb661
hex1cf1280c55

124305017941 has 16 divisors (see below), whose sum is σ = 141095954160. Its totient is φ = 108696107520.

The previous prime is 124305017929. The next prime is 124305017951. The reversal of 124305017941 is 149710503421.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2727972900 + 121577045041 = 52230^2 + 348679^2 .

It is not a de Polignac number, because 124305017941 - 225 = 124271463509 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 124305017941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124305017911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3090600 + ... + 3130561.

It is an arithmetic number, because the mean of its divisors is an integer number (8818497135).

Almost surely, 2124305017941 is an apocalyptic number.

It is an amenable number.

124305017941 is a deficient number, since it is larger than the sum of its proper divisors (16790936219).

124305017941 is a wasteful number, since it uses less digits than its factorization.

124305017941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221256.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 124305017941 in words is "one hundred twenty-four billion, three hundred five million, seventeen thousand, nine hundred forty-one".

Divisors: 1 13 29 53 377 689 1537 19981 6221161 80875093 180413669 329721533 2345377697 4286379929 9561924457 124305017941