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124442343402 = 231331716911049
BaseRepresentation
bin111001111100101010…
…1110111011111101010
3102220012121020001000120
41303321111313133222
54014324214442102
6133100143144110
711663540315616
oct1637125673752
9386177201016
10124442343402
1148859505503
122014b5a5036
13b972654730
146047324346
153384ea56bc
hex1cf95777ea

124442343402 has 128 divisors (see below), whose sum is σ = 281246515200. Its totient is φ = 36445248000.

The previous prime is 124442343383. The next prime is 124442343409. The reversal of 124442343402 is 204343244421.

It is not an unprimeable number, because it can be changed into a prime (124442343409) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118628974 + ... + 118630022.

It is an arithmetic number, because the mean of its divisors is an integer number (2197238400).

Almost surely, 2124442343402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124442343402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140623257600).

124442343402 is an abundant number, since it is smaller than the sum of its proper divisors (156804171798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124442343402 is a wasteful number, since it uses less digits than its factorization.

124442343402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 124442343402 its reverse (204343244421), we get a palindrome (328785587823).

The spelling of 124442343402 in words is "one hundred twenty-four billion, four hundred forty-two million, three hundred forty-three thousand, four hundred two".

Divisors: 1 2 3 6 13 26 31 39 62 71 78 93 142 186 213 403 426 691 806 923 1049 1209 1382 1846 2073 2098 2201 2418 2769 3147 4146 4402 5538 6294 6603 8983 13206 13637 17966 21421 26949 27274 28613 32519 40911 42842 49061 53898 57226 64263 65038 74479 81822 85839 97557 98122 128526 147183 148958 171678 195114 223437 278473 294366 422747 446874 556946 637793 724859 835419 845494 968227 1268241 1275586 1449718 1520891 1670838 1913379 1936454 2174577 2308849 2536482 2904681 3041782 3826758 4349154 4562673 4617698 5809362 6926547 9125346 9423167 13853094 18846334 19771583 22470629 28269501 30015037 39543166 44941258 51464989 56539002 59314749 60030074 67411887 90045111 102929978 118629498 134823774 154394967 180090222 292118177 308789934 584236354 669044857 876354531 1338089714 1595414659 1752709062 2007134571 3190829318 4014269142 4786243977 9572487954 20740390567 41480781134 62221171701 124442343402