Search a number
-
+
208244691304 = 23132002352801
BaseRepresentation
bin1100000111110001011…
…0011101000101101000
3201220111221010101202121
43001330112131011220
511402441120110204
6235355530241024
721021332445616
oct3017426350550
9656457111677
10208244691304
1180352776871
1234438886174
1316839466540
14a1170826b6
15563c1a5b54
hex307c59d168

208244691304 has 16 divisors (see below), whose sum is σ = 420494088420. Its totient is φ = 96112934400.

The previous prime is 208244691289. The next prime is 208244691313. The reversal of 208244691304 is 403196442802.

It can be written as a sum of positive squares in 2 ways, for example, as 208182312900 + 62378404 = 456270^2 + 7898^2 .

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, 1001176297 + ... + 1001176504.

Almost surely, 2208244691304 is an apocalyptic number.

It is an amenable number.

208244691304 is an abundant number, since it is smaller than the sum of its proper divisors (212249397116).

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

208244691304 is a wasteful number, since it uses less digits than its factorization.

208244691304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002352820 (or 2002352816 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 208244691304 in words is "two hundred eight billion, two hundred forty-four million, six hundred ninety-one thousand, three hundred four".

Divisors: 1 2 4 8 13 26 52 104 2002352801 4004705602 8009411204 16018822408 26030586413 52061172826 104122345652 208244691304