Search a number
-
+
140012012010442 = 211213181585741981
BaseRepresentation
bin11111110101011100010110…
…001111010111101111001010
3200100202000110211221220011211
4133311130112033113233022
5121322424100033313232
61213440344054043334
741330351115504505
oct3765342617275712
9610660424856154
10140012012010442
1140680840746500
121385332364954a
1360180cb1bbba0
14268089075413c
15112c078d30a47
hex7f57163d7bca

140012012010442 has 96 divisors (see below), whose sum is σ = 250025791618512. Its totient is φ = 58410367488000.

The previous prime is 140012012010391. The next prime is 140012012010443. The reversal of 140012012010442 is 244010210210041.

It can be written as a sum of positive squares in 8 ways, for example, as 5782154061321 + 134229857949121 = 2404611^2 + 11585761^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (140012012010443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3335107092 + ... + 3335149072.

Almost surely, 2140012012010442 is an apocalyptic number.

140012012010442 is a deficient number, since it is larger than the sum of its proper divisors (110013779608070).

140012012010442 is a wasteful number, since it uses less digits than its factorization.

140012012010442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48056 (or 48045 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 140012012010442 its reverse (244010210210041), we get a palindrome (384022222220483).

The spelling of 140012012010442 in words is "one hundred forty trillion, twelve billion, twelve million, ten thousand, four hundred forty-two".

Divisors: 1 2 11 13 22 26 121 143 181 242 286 362 1573 1991 2353 3146 3982 4706 5857 11714 21901 25883 41981 43802 51766 64427 76141 83962 128854 152282 284713 461791 545753 569426 708697 837551 923582 1060117 1091506 1417394 1675102 2120234 5079701 6003283 7598561 9213061 10159402 11661287 12006566 13781521 15197122 18426122 23322574 27563042 66036113 83584171 98781293 128274157 132072226 151596731 167168342 197562586 245882717 256548314 303193462 491765434 919425881 1086594223 1667564041 1838851762 2173188446 2704709887 3196475321 3335128082 5409419774 6392950642 11952536453 23905072906 29751808757 35161228531 44504771777 59503617514 70322457062 89009543554 386773513841 489552489547 578562033101 773547027682 979104979094 1157124066202 5385077385017 6364182364111 10770154770034 12728364728222 70006006005221 140012012010442