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42539212801 = 315393254447
BaseRepresentation
bin100111100111100010…
…001110000000000001
311001210122000220122001
4213213202032000001
51144110014302201
631313042544001
73034106225401
oct474742160001
9131718026561
1042539212801
111704a305218
1282b2368001
13401c161147
1420b7908801
15118e8ab301
hex9e788e001

42539212801 has 8 divisors (see below), whose sum is σ = 43919760384. Its totient is φ = 41159184960.

The previous prime is 42539212799. The next prime is 42539212847. The reversal of 42539212801 is 10821293524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42539212801 - 21 = 42539212799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42539215801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39960 + ... + 294406.

It is an arithmetic number, because the mean of its divisors is an integer number (5489970048).

Almost surely, 242539212801 is an apocalyptic number.

It is an amenable number.

42539212801 is a deficient number, since it is larger than the sum of its proper divisors (1380547583).

42539212801 is a wasteful number, since it uses less digits than its factorization.

42539212801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259871.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 42539212801 in words is "forty-two billion, five hundred thirty-nine million, two hundred twelve thousand, eight hundred one".

Divisors: 1 31 5393 167183 254447 7887857 1372232671 42539212801