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47800383261 = 318199875513
BaseRepresentation
bin101100100001000111…
…111111011100011101
311120101021212001201020
4230201013333130131
51240343344231021
633543104034353
73311352360651
oct544107773435
9146337761636
1047800383261
11192aa085484
1293203029b9
13467a143967
142456552a61
15139b7017c6
hexb211ff71d

47800383261 has 8 divisors (see below), whose sum is σ = 63737419200. Its totient is φ = 31865134752.

The previous prime is 47800383251. The next prime is 47800383263. The reversal of 47800383261 is 16238300874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47800383261 - 213 = 47800375069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47800383263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383160 + ... + 492353.

It is an arithmetic number, because the mean of its divisors is an integer number (7967177400).

Almost surely, 247800383261 is an apocalyptic number.

It is an amenable number.

47800383261 is a deficient number, since it is larger than the sum of its proper divisors (15937035939).

47800383261 is a wasteful number, since it uses less digits than its factorization.

47800383261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893715.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 47800383261 in words is "forty-seven billion, eight hundred million, three hundred eighty-three thousand, two hundred sixty-one".

Divisors: 1 3 18199 54597 875513 2626539 15933461087 47800383261