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42205001412 = 2237502440493
BaseRepresentation
bin100111010011100111…
…010011011011000100
311000221100011012210110
4213103213103123010
51142413440021122
631215543353020
73022610410230
oct472347233304
9130840135713
1042205001412
1116998694262
12821a452770
133c97b45522
14208538b5c0
15117039090c
hex9d39d36c4

42205001412 has 24 divisors (see below), whose sum is σ = 112546670656. Its totient is φ = 12058571808.

The previous prime is 42205001383. The next prime is 42205001437. The reversal of 42205001412 is 21410050224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251220163 + ... + 251220330.

Almost surely, 242205001412 is an apocalyptic number.

42205001412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42205001412 is an abundant number, since it is smaller than the sum of its proper divisors (70341669244).

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

42205001412 is a wasteful number, since it uses less digits than its factorization.

42205001412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502440507 (or 502440505 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 42205001412 its reverse (21410050224), we get a palindrome (63615051636).

The spelling of 42205001412 in words is "forty-two billion, two hundred five million, one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 502440493 1004880986 1507321479 2009761972 3014642958 3517083451 6029285916 7034166902 10551250353 14068333804 21102500706 42205001412