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BaseRepresentation
bin101011110010011100…
…001011001110011010
311111100201001110010201
4223302130023032122
51232242342121432
633333244332414
73253062066124
oct536234131632
9144321043121
1047017145242
1118a37a53131
129141b4410a
134583aac402
1423c050c214
151352a8aee7
hexaf270b39a

47017145242 has 16 divisors (see below), whose sum is σ = 74691640512. Its totient is φ = 22120574400.

The previous prime is 47017145237. The next prime is 47017145257. The reversal of 47017145242 is 24254171074.

It is a super-2 number, since 2×470171452422 (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 10134 + ... + 306817.

It is an arithmetic number, because the mean of its divisors is an integer number (4668227532).

Almost surely, 247017145242 is an apocalyptic number.

47017145242 is a deficient number, since it is larger than the sum of its proper divisors (27674495270).

47017145242 is a wasteful number, since it uses less digits than its factorization.

47017145242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321333.

The product of its (nonzero) digits is 62720, while the sum is 37.

The spelling of 47017145242 in words is "forty-seven billion, seventeen million, one hundred forty-five thousand, two hundred forty-two".