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242664630873 = 3753359607319
BaseRepresentation
bin1110000111111111110…
…0000110101001011001
3212012100201022111101020
43201333330012221121
512433434121141443
6303251213113053
723350312220640
oct3417774065131
9765321274336
10242664630873
1193a05948915
123b043a88789
1319b634533a2
14ba60516357
1564a3d56583
hex387ff06a59

242664630873 has 32 divisors (see below), whose sum is σ = 377801625600. Its totient is φ = 135669982656.

The previous prime is 242664630851. The next prime is 242664630877. The reversal of 242664630873 is 378036466242.

It is not a de Polignac number, because 242664630873 - 218 = 242664368729 is a prime.

It is a super-2 number, since 2×2426646308732 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242664630877) 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, 95908 + ... + 703226.

It is an arithmetic number, because the mean of its divisors is an integer number (11806300800).

Almost surely, 2242664630873 is an apocalyptic number.

It is an amenable number.

242664630873 is a deficient number, since it is larger than the sum of its proper divisors (135136994727).

242664630873 is a wasteful number, since it uses less digits than its factorization.

242664630873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607741.

The product of its (nonzero) digits is 6967296, while the sum is 51.

The spelling of 242664630873 in words is "two hundred forty-two billion, six hundred sixty-four million, six hundred thirty thousand, eight hundred seventy-three".

Divisors: 1 3 7 21 53 159 359 371 1077 1113 2513 7539 19027 57081 133189 399567 607319 1821957 4251233 12753699 32187907 96563721 218027521 225315349 654082563 675946047 1526192647 4578577941 11555458613 34666375839 80888210291 242664630873