Search a number
-
+
481391081242 = 217109673193009
BaseRepresentation
bin1110000000101010010…
…01001111011100011010
31201000112222020200201021
413000111021033130122
530341342104044432
61005051545313054
746531214451031
oct7002511173432
91630488220637
10481391081242
1117617a7963a5
1279368a9578a
1336519a1b246
14194299ab718
15c7c7099697
hex701524f71a

481391081242 has 32 divisors (see below), whose sum is σ = 772727115600. Its totient is φ = 224123977728.

The previous prime is 481391081239. The next prime is 481391081263. The reversal of 481391081242 is 242180193184.

It can be written as a sum of positive squares in 8 ways, for example, as 186217277841 + 295173803401 = 431529^2 + 543299^2 .

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, 2397634 + ... + 2590642.

Almost surely, 2481391081242 is an apocalyptic number.

481391081242 is a deficient number, since it is larger than the sum of its proper divisors (291336034358).

481391081242 is a wasteful number, since it uses less digits than its factorization.

481391081242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193810.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 481391081242 in words is "four hundred eighty-one billion, three hundred ninety-one million, eighty-one thousand, two hundred forty-two".

Divisors: 1 2 17 34 109 218 673 1346 1853 3706 11441 22882 73357 146714 193009 386018 1247069 2494138 3281153 6562306 21037981 42075962 129895057 259790114 357645677 715291354 2208215969 4416431938 14158561213 28317122426 240695540621 481391081242