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2038681043 = 7291240149
BaseRepresentation
bin111100110000011…
…1100110111010011
312021002010201122022
41321200330313103
513133400243133
6534144002055
7101343334340
oct17140746723
95232121568
102038681043
11956867273
1248a90032b
1326649b759
14154a877c7
15bdea3998
hex7983cdd3

2038681043 has 4 divisors (see below), whose sum is σ = 2329921200. Its totient is φ = 1747440888.

The previous prime is 2038681039. The next prime is 2038681069. The reversal of 2038681043 is 3401868302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2038681043 - 22 = 2038681039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2038680994 and 2038681012.

It is not an unprimeable number, because it can be changed into a prime (2038681003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145620068 + ... + 145620081.

It is an arithmetic number, because the mean of its divisors is an integer number (582480300).

Almost surely, 22038681043 is an apocalyptic number.

2038681043 is a deficient number, since it is larger than the sum of its proper divisors (291240157).

2038681043 is an equidigital number, since it uses as much as digits as its factorization.

2038681043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291240156.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2038681043 is about 45151.7557022980. The cubic root of 2038681043 is about 1267.9917509091.

The spelling of 2038681043 in words is "two billion, thirty-eight million, six hundred eighty-one thousand, forty-three".

Divisors: 1 7 291240149 2038681043