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242664630868 = 221129472140283
BaseRepresentation
bin1110000111111111110…
…0000110101001010100
3212012100201022111101001
43201333330012221110
512433434121141433
6303251213113044
723350312220632
oct3417774065124
9765321274331
10242664630868
1193a05948910
123b043a88784
1319b6345339a
14ba60516352
1564a3d5657d
hex387ff06a54

242664630868 has 48 divisors (see below), whose sum is σ = 479357040960. Its totient is φ = 106473382400.

The previous prime is 242664630851. The next prime is 242664630877. The reversal of 242664630868 is 868036466242.

It is a super-2 number, since 2×2426646308682 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 6003855 + ... + 6044137.

It is an arithmetic number, because the mean of its divisors is an integer number (9986605020).

Almost surely, 2242664630868 is an apocalyptic number.

It is an amenable number.

242664630868 is a deficient number, since it is larger than the sum of its proper divisors (236692410092).

242664630868 is a wasteful number, since it uses less digits than its factorization.

242664630868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45048 (or 45046 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 55.

The spelling of 242664630868 in words is "two hundred forty-two billion, six hundred sixty-four million, six hundred thirty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 4721 9442 18884 40283 51931 80566 103862 136909 161132 207724 273818 443113 547636 886226 1168207 1505999 1772452 2336414 3011998 4672828 6023996 12850277 25700554 51401108 190176043 380352086 760704172 2091936473 4183872946 5515105247 8367745892 11030210494 22060420988 60666157717 121332315434 242664630868