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42240024315 = 335615129329
BaseRepresentation
bin100111010101101100…
…111001111011111011
311001000210001120012000
4213111230321323323
51143001421234230
631223234152043
73023514165636
oct472554717373
9131023046160
1042240024315
1116a06435505
12822a122623
133ca2188838
142089ca6c1d
1511734acb60
hex9d5b39efb

42240024315 has 32 divisors (see below), whose sum is σ = 76324430400. Its totient is φ = 22158696960.

The previous prime is 42240024311. The next prime is 42240024317. The reversal of 42240024315 is 51342004224.

42240024315 is a `hidden beast` number, since 4 + 2 + 2 + 400 + 243 + 15 = 666.

It is not a de Polignac number, because 42240024315 - 22 = 42240024311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42240024311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2556430 + ... + 2572899.

It is an arithmetic number, because the mean of its divisors is an integer number (2385138450).

Almost surely, 242240024315 is an apocalyptic number.

42240024315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42240024315 is a deficient number, since it is larger than the sum of its proper divisors (34084406085).

42240024315 is a wasteful number, since it uses less digits than its factorization.

42240024315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129404 (or 5129398 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 42240024315 its reverse (51342004224), we get a palindrome (93582028539).

The spelling of 42240024315 in words is "forty-two billion, two hundred forty million, twenty-four thousand, three hundred fifteen".

Divisors: 1 3 5 9 15 27 45 61 135 183 305 549 915 1647 2745 8235 5129329 15387987 25646645 46163961 76939935 138491883 230819805 312889069 692459415 938667207 1564445345 2816001621 4693336035 8448004863 14080008105 42240024315