Search a number
-
+
17051968840 = 235426299221
BaseRepresentation
bin11111110000110000…
…00110010101001000
31122000101021202202111
433320120012111020
5234410301000330
611500014512104
71142364225604
oct177030062510
948011252674
1017051968840
117260434635
12337a805634
1317b99ba9ba
14b7a96a504
1569c04032a
hex3f8606548

17051968840 has 16 divisors (see below), whose sum is σ = 38366929980. Its totient is φ = 6820787520.

The previous prime is 17051968823. The next prime is 17051968859. The reversal of 17051968840 is 4886915071.

It can be written as a sum of positive squares in 2 ways, for example, as 16722110596 + 329858244 = 129314^2 + 18162^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213149571 + ... + 213149650.

Almost surely, 217051968840 is an apocalyptic number.

17051968840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17051968840 is an abundant number, since it is smaller than the sum of its proper divisors (21314961140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17051968840 is a wasteful number, since it uses less digits than its factorization.

17051968840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426299232 (or 426299228 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 17051968840 in words is "seventeen billion, fifty-one million, nine hundred sixty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 426299221 852598442 1705196884 2131496105 3410393768 4262992210 8525984420 17051968840