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42415132542 = 2331587388481
BaseRepresentation
bin100111100000001000…
…111000111101111110
311001110222112222111220
4213200020320331332
51143331233220132
631252451254210
73031041451356
oct474010707576
9131428488456
1042415132542
1116a96266952
1282788aa366
133ccc538c83
1420a5249b66
151183a4ba2c
hex9e0238f7e

42415132542 has 32 divisors (see below), whose sum is σ = 87716127744. Its totient is φ = 13658956800.

The previous prime is 42415132499. The next prime is 42415132561. The reversal of 42415132542 is 24523151424.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 85059 + ... + 303422.

It is an arithmetic number, because the mean of its divisors is an integer number (2741128992).

Almost surely, 242415132542 is an apocalyptic number.

42415132542 is an abundant number, since it is smaller than the sum of its proper divisors (45300995202).

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

42415132542 is a wasteful number, since it uses less digits than its factorization.

42415132542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389104.

The product of its digits is 38400, while the sum is 33.

Adding to 42415132542 its reverse (24523151424), we get a palindrome (66938283966).

The spelling of 42415132542 in words is "forty-two billion, four hundred fifteen million, one hundred thirty-two thousand, five hundred forty-two".

Divisors: 1 2 3 6 31 62 93 186 587 1174 1761 3522 18197 36394 54591 109182 388481 776962 1165443 2330886 12042911 24085822 36128733 72257466 228038347 456076694 684115041 1368230082 7069188757 14138377514 21207566271 42415132542