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42222100232 = 23131812242993
BaseRepresentation
bin100111010100101000…
…100001111100001000
311000222112022220222002
4213110220201330020
51142432324201412
631221354050132
73023205634064
oct472450417410
9130875286862
1042222100232
11169a7302914
128224119948
133c9b551280
14208775caa4
151171b1bdc2
hex9d4a21f08

42222100232 has 32 divisors (see below), whose sum is σ = 85727230680. Its totient is φ = 19379450880.

The previous prime is 42222100177. The next prime is 42222100309. The reversal of 42222100232 is 23200122224.

It can be written as a sum of positive squares in 4 ways, for example, as 21212757316 + 21009342916 = 145646^2 + 144946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102673 + ... + 1140320.

Almost surely, 242222100232 is an apocalyptic number.

It is an amenable number.

42222100232 is an abundant number, since it is smaller than the sum of its proper divisors (43505130448).

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

42222100232 is a wasteful number, since it uses less digits than its factorization.

42222100232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243193 (or 2243189 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42222100232 its reverse (23200122224), we get a palindrome (65422222456).

The spelling of 42222100232 in words is "forty-two billion, two hundred twenty-two million, one hundred thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 181 362 724 1448 2353 4706 9412 18824 2242993 4485986 8971972 17943944 29158909 58317818 116635636 233271272 405981733 811963466 1623926932 3247853864 5277762529 10555525058 21111050116 42222100232