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243044031052 = 221937857100853
BaseRepresentation
bin1110001001011010001…
…1011001101001001100
3212020100011020000120201
43202112203121221030
512440223232443202
6303353005023244
723362600114624
oct3422643315114
9766304200521
10243044031052
1194090023889
123b12ab54b24
1319bc3c31534
14ba98a77884
1564c72eb387
hex38968d9a4c

243044031052 has 48 divisors (see below), whose sum is σ = 460354134240. Its totient is φ = 111882788352.

The previous prime is 243044031049. The next prime is 243044031073. The reversal of 243044031052 is 250130440342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 243044031052.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359458 + ... + 2460310.

It is an arithmetic number, because the mean of its divisors is an integer number (9590711130).

Almost surely, 2243044031052 is an apocalyptic number.

It is an amenable number.

243044031052 is a deficient number, since it is larger than the sum of its proper divisors (217310103188).

243044031052 is a wasteful number, since it uses less digits than its factorization.

243044031052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101770 (or 101768 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 243044031052 its reverse (250130440342), we get a palindrome (493174471394).

The spelling of 243044031052 in words is "two hundred forty-three billion, forty-four million, thirty-one thousand, fifty-two".

Divisors: 1 2 4 19 37 38 74 76 148 703 857 1406 1714 2812 3428 16283 31709 32566 63418 65132 100853 126836 201706 403412 602471 1204942 1916207 2409884 3731561 3832414 7463122 7664828 14926244 70899659 86431021 141799318 172862042 283598636 345724084 1642189399 3197947777 3284378798 6395895554 6568757596 12791791108 60761007763 121522015526 243044031052