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42020430612 = 22317238955761
BaseRepresentation
bin100111001000100111…
…001110001100010100
311000110110212001020220
4213020213032030110
51142024212234422
631145351354340
73015206524026
oct471047161424
9130413761226
1042020430612
111690348a506
1281886829b0
133c68831034
142068a64016
15115e082e5c
hex9c89ce314

42020430612 has 48 divisors (see below), whose sum is σ = 108328897152. Its totient is φ = 12609710080.

The previous prime is 42020430587. The next prime is 42020430671. The reversal of 42020430612 is 21603402024.

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, 4473189 + ... + 4482572.

It is an arithmetic number, because the mean of its divisors is an integer number (2256852024).

Almost surely, 242020430612 is an apocalyptic number.

It is an amenable number.

42020430612 is an abundant number, since it is smaller than the sum of its proper divisors (66308466540).

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

42020430612 is a wasteful number, since it uses less digits than its factorization.

42020430612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8955808 (or 8955806 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42020430612 its reverse (21603402024), we get a palindrome (63623832636).

The spelling of 42020430612 in words is "forty-two billion, twenty million, four hundred thirty thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 17 23 34 46 51 68 69 92 102 138 204 276 391 782 1173 1564 2346 4692 8955761 17911522 26867283 35823044 53734566 107469132 152247937 205982503 304495874 411965006 456743811 608991748 617947509 823930012 913487622 1235895018 1826975244 2471790036 3501702551 7003405102 10505107653 14006810204 21010215306 42020430612