Search a number
-
+
19486953260 = 225974347663
BaseRepresentation
bin10010001001100000…
…110100111100101100
31212022002010210102122
4102021200310330230
5304402130001020
612541401012112
71256622240545
oct221140647454
955262123378
1019486953260
11829a971455
12393a184038
131ab7305298
14d2c0d54cc
15790bc7125
hex489834f2c

19486953260 has 12 divisors (see below), whose sum is σ = 40922601888. Its totient is φ = 7794781296.

The previous prime is 19486953253. The next prime is 19486953271. The reversal of 19486953260 is 6235968491.

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, 487173812 + ... + 487173851.

It is an arithmetic number, because the mean of its divisors is an integer number (3410216824).

Almost surely, 219486953260 is an apocalyptic number.

19486953260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19486953260 is an abundant number, since it is smaller than the sum of its proper divisors (21435648628).

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

19486953260 is a wasteful number, since it uses less digits than its factorization.

19486953260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974347672 (or 974347670 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 19486953260 in words is "nineteen billion, four hundred eighty-six million, nine hundred fifty-three thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 974347663 1948695326 3897390652 4871738315 9743476630 19486953260