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243142454030 = 257101115129879
BaseRepresentation
bin1110001001110001101…
…0110110101100001110
3212020121000102102112012
43202130122312230032
512440423432012110
6303410442341222
723365203521240
oct3423432665416
9766530372465
10243142454030
1194130638493
123b157aba812
1319c0b442298
14baa7b78090
1564d0c8d905
hex389c6b6b0e

243142454030 has 64 divisors (see below), whose sum is σ = 505586810880. Its totient is φ = 82463280000.

The previous prime is 243142453999. The next prime is 243142454033. The reversal of 243142454030 is 30454241342.

243142454030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243142454033) 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, 8122631 + ... + 8152509.

It is an arithmetic number, because the mean of its divisors is an integer number (7899793920).

Almost surely, 2243142454030 is an apocalyptic number.

243142454030 is an abundant number, since it is smaller than the sum of its proper divisors (262444356850).

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

243142454030 is a wasteful number, since it uses less digits than its factorization.

243142454030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31145.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 243142454030 its reverse (30454241342), we get a palindrome (273596695372).

The spelling of 243142454030 in words is "two hundred forty-three billion, one hundred forty-two million, four hundred fifty-four thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 101 202 505 707 1010 1151 1414 2302 3535 5755 7070 8057 11510 16114 29879 40285 59758 80570 116251 149395 209153 232502 298790 418306 581255 813757 1045765 1162510 1627514 2091530 3017779 4068785 6035558 8137570 15088895 21124453 30177790 34390729 42248906 68781458 105622265 171953645 211244530 240735103 343907290 481470206 1203675515 2407351030 3473463629 6946927258 17367318145 24314245403 34734636290 48628490806 121571227015 243142454030