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42210142422 = 2372393136523
BaseRepresentation
bin100111010011111010…
…111010100011010110
311000221200211101221020
4213103322322203112
51142421244024142
631220245502010
73023002201500
oct472372724326
9130850741836
1042210142422
11169a0585828
128220111906
133c98c25546
142085d28d70
151170a58cec
hex9d3eba8d6

42210142422 has 48 divisors (see below), whose sum is σ = 98230859712. Its totient is φ = 12056642640.

The previous prime is 42210142411. The next prime is 42210142423. The reversal of 42210142422 is 22424101224.

It is a happy number.

It is a super-2 number, since 2×422101424222 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42210142392 and 42210142401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210142423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1137453 + ... + 1173975.

It is an arithmetic number, because the mean of its divisors is an integer number (2046476244).

Almost surely, 242210142422 is an apocalyptic number.

42210142422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42210142422 is an abundant number, since it is smaller than the sum of its proper divisors (56020717290).

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

42210142422 is a wasteful number, since it uses less digits than its factorization.

42210142422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40473 (or 40466 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 42210142422 its reverse (22424101224), we get a palindrome (64634243646).

The spelling of 42210142422 in words is "forty-two billion, two hundred ten million, one hundred forty-two thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 3931 7862 11793 23586 27517 36523 55034 73046 82551 109569 165102 192619 219138 255661 385238 511322 577857 766983 1155714 1533966 1789627 3579254 5368881 10737762 143571913 287143826 430715739 861431478 1005003391 2010006782 3015010173 6030020346 7035023737 14070047474 21105071211 42210142422