Search a number
-
+
19868050474 = 2311387323099
BaseRepresentation
bin10010100000001110…
…100110010000101010
31220021122020112112021
4102200032212100222
5311142210103344
613043253135054
71302230433256
oct224016462052
956248215467
1019868050474
118475aa6428
123a2592a48a
131b482589ac
14d66979266
157b43a4b84
hex4a03a642a

19868050474 has 16 divisors (see below), whose sum is σ = 30766982400. Its totient is φ = 9612463680.

The previous prime is 19868050459. The next prime is 19868050507. The reversal of 19868050474 is 47405086891.

It is a super-3 number, since 3×198680504743 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848577 + ... + 871675.

It is an arithmetic number, because the mean of its divisors is an integer number (1922936400).

Almost surely, 219868050474 is an apocalyptic number.

19868050474 is a deficient number, since it is larger than the sum of its proper divisors (10898931926).

19868050474 is a wasteful number, since it uses less digits than its factorization.

19868050474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37005.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 19868050474 in words is "nineteen billion, eight hundred sixty-eight million, fifty thousand, four hundred seventy-four".

Divisors: 1 2 31 62 13873 23099 27746 46198 430063 716069 860126 1432138 320452427 640904854 9934025237 19868050474