Search a number
-
+
2142105410442 = 2343157229230933
BaseRepresentation
bin11111001010111111011…
…011101001101110001010
321120210011000020122212210
4133022333123221232022
5240044012441113232
64320023013045550
7310522240364154
oct37127733515612
97523130218783
102142105410442
11756509728a58
122a71a29268b6
13126ccc389a5a
147596d975ad4
153aac39845cc
hex1f2bf6e9b8a

2142105410442 has 64 divisors (see below), whose sum is σ = 4431050743680. Its totient is φ = 689958307584.

The previous prime is 2142105410441. The next prime is 2142105410453. The reversal of 2142105410442 is 2440145012412.

It is not an unprimeable number, because it can be changed into a prime (2142105410441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9160408 + ... + 9391340.

It is an arithmetic number, because the mean of its divisors is an integer number (69235167870).

Almost surely, 22142105410442 is an apocalyptic number.

2142105410442 is an abundant number, since it is smaller than the sum of its proper divisors (2288945333238).

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

2142105410442 is a wasteful number, since it uses less digits than its factorization.

2142105410442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231367.

The product of its (nonzero) digits is 10240, while the sum is 30.

The spelling of 2142105410442 in words is "two trillion, one hundred forty-two billion, one hundred five million, four hundred ten thousand, four hundred forty-two".

Divisors: 1 2 3 6 43 86 129 157 229 258 314 458 471 687 942 1374 6751 9847 13502 19694 20253 29541 35953 40506 59082 71906 107859 215718 230933 461866 692799 1385598 1545979 3091958 4637937 9275874 9930119 19860238 29790357 36256481 52883657 59580714 72512962 105767314 108769443 158650971 217538886 317301942 1559028683 2273997251 3118057366 4547994502 4677086049 6821991753 8302734149 9354172098 13643983506 16605468298 24908202447 49816404894 357017568407 714035136814 1071052705221 2142105410442