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1890382274830 = 25727005461069
BaseRepresentation
bin11011100000100011100…
…100000110000100001110
320200201101222202110002001
4123200203210012010032
5221433000330243310
64004232444422514
7253401302133340
oct33404344060416
96621358673061
101890382274830
1166978556a495
12266451247a3a
13109354310bba
14676d0379290
153428e74693a
hex1b82390610e

1890382274830 has 16 divisors (see below), whose sum is σ = 3888786394080. Its totient is φ = 648131065632.

The previous prime is 1890382274819. The next prime is 1890382274987. The reversal of 1890382274830 is 384722830981.

It is a happy number.

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, 13502730465 + ... + 13502730604.

It is an arithmetic number, because the mean of its divisors is an integer number (243049149630).

Almost surely, 21890382274830 is an apocalyptic number.

1890382274830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1890382274830 is an abundant number, since it is smaller than the sum of its proper divisors (1998404119250).

1890382274830 is a wasteful number, since it uses less digits than its factorization.

1890382274830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27005461083.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 1890382274830 in words is "one trillion, eight hundred ninety billion, three hundred eighty-two million, two hundred seventy-four thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 27005461069 54010922138 135027305345 189038227483 270054610690 378076454966 945191137415 1890382274830