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42115113124 = 22710931376131
BaseRepresentation
bin100111001110010000…
…011010000010100100
311000201002000102020121
4213032100122002210
51142222432104444
631203013011324
73020436361240
oct471620320244
9130632012217
1042115113124
1116951979917
1281b4323b44
133c823323a6
14207746d420
151167537084
hex9ce41a0a4

42115113124 has 24 divisors (see below), whose sum is σ = 84307350848. Its totient is φ = 18032807520.

The previous prime is 42115113113. The next prime is 42115113179. The reversal of 42115113124 is 42131151124.

It is a happy number.

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, 657462 + ... + 718669.

Almost surely, 242115113124 is an apocalyptic number.

It is an amenable number.

42115113124 is an abundant number, since it is smaller than the sum of its proper divisors (42192237724).

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

42115113124 is a wasteful number, since it uses less digits than its factorization.

42115113124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377235 (or 1377233 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

Adding to 42115113124 its reverse (42131151124), we get a palindrome (84246264248).

The spelling of 42115113124 in words is "forty-two billion, one hundred fifteen million, one hundred thirteen thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 1093 2186 4372 7651 15302 30604 1376131 2752262 5504524 9632917 19265834 38531668 1504111183 3008222366 6016444732 10528778281 21057556562 42115113124