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208847048542 = 21131193043619
BaseRepresentation
bin1100001010000001000…
…0010000111101011110
3201222001220120022112221
43002200100100331132
511410204321023132
6235535405015554
721042265423306
oct3024020207536
9658056508487
10208847048542
1180631794770
12345865545ba
13169041a9042
14a173080606
155674edbe97
hex30a0410f5e

208847048542 has 16 divisors (see below), whose sum is σ = 341859398400. Its totient is φ = 94900009240.

The previous prime is 208847048521. The next prime is 208847048561. The reversal of 208847048542 is 245840748802.

It is a self number, because there is not a number n which added to its sum of digits gives 208847048542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453192 + ... + 1590427.

It is an arithmetic number, because the mean of its divisors is an integer number (21366212400).

Almost surely, 2208847048542 is an apocalyptic number.

208847048542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

208847048542 is a deficient number, since it is larger than the sum of its proper divisors (133012349858).

208847048542 is a wasteful number, since it uses less digits than its factorization.

208847048542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046751.

The product of its (nonzero) digits is 4587520, while the sum is 52.

The spelling of 208847048542 in words is "two hundred eight billion, eight hundred forty-seven million, forty-eight thousand, five hundred forty-two".

Divisors: 1 2 11 22 3119 6238 34309 68618 3043619 6087238 33479809 66959618 9493047661 18986095322 104423524271 208847048542