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42021140222 = 2177891181099
BaseRepresentation
bin100111001000101001…
…111011011011111110
311000110112012002122202
4213020221323123332
51142024402441342
631145414511502
73015215540615
oct471051733376
9130415162582
1042021140222
1116903924666
128188965592
133c68a1c019
142068baa87c
15115e173332
hex9c8a7b6fe

42021140222 has 8 divisors (see below), whose sum is σ = 63035307000. Its totient is φ = 21009371224.

The previous prime is 42021140201. The next prime is 42021140237. The reversal of 42021140222 is 22204112024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42021140194 and 42021140203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554972 + ... + 626127.

It is an arithmetic number, because the mean of its divisors is an integer number (7879413375).

Almost surely, 242021140222 is an apocalyptic number.

42021140222 is a deficient number, since it is larger than the sum of its proper divisors (21014166778).

42021140222 is a wasteful number, since it uses less digits than its factorization.

42021140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198890.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 42021140222 its reverse (22204112024), we get a palindrome (64225252246).

The spelling of 42021140222 in words is "forty-two billion, twenty-one million, one hundred forty thousand, two hundred twenty-two".

Divisors: 1 2 17789 35578 1181099 2362198 21010570111 42021140222