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47017145194 = 259398450383
BaseRepresentation
bin101011110010011100…
…001011001101101010
311111100201001110001221
4223302130023031222
51232242342121234
633333244332254
73253062066025
oct536234131552
9144321043057
1047017145194
1118a37a53098
129141b4408a
134583aac396
1423c050c1bc
151352a8aeb4
hexaf270b36a

47017145194 has 8 divisors (see below), whose sum is σ = 71721069120. Its totient is φ = 23110122156.

The previous prime is 47017145171. The next prime is 47017145233. The reversal of 47017145194 is 49154171074.

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

It is a super-2 number, since 2×470171451942 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47017145194.

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 3 ways as a sum of consecutive naturals, for example, 199225074 + ... + 199225309.

It is an arithmetic number, because the mean of its divisors is an integer number (8965133640).

Almost surely, 247017145194 is an apocalyptic number.

47017145194 is a deficient number, since it is larger than the sum of its proper divisors (24703923926).

47017145194 is a wasteful number, since it uses less digits than its factorization.

47017145194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398450444.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 47017145194 in words is "forty-seven billion, seventeen million, one hundred forty-five thousand, one hundred ninety-four".

Divisors: 1 2 59 118 398450383 796900766 23508572597 47017145194