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1838800130 = 25757324281
BaseRepresentation
bin110110110011001…
…1101110100000010
311202011000201120112
41231212131310002
512231213101010
6502243511322
763365354216
oct15546356402
94664021515
101838800130
11863a55832
12433988542
13233c5671b
141362d6946
15ab66ea05
hex6d99dd02

1838800130 has 16 divisors (see below), whose sum is σ = 3310413624. Its totient is φ = 735392640.

The previous prime is 1838800111. The next prime is 1838800133. The reversal of 1838800130 is 310088381.

It can be written as a sum of positive squares in 4 ways, for example, as 1769127721 + 69672409 = 42061^2 + 8347^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1838800133) 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, 63590 + ... + 87870.

Almost surely, 21838800130 is an apocalyptic number.

1838800130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1838800130 is a deficient number, since it is larger than the sum of its proper divisors (1471613494).

1838800130 is a wasteful number, since it uses less digits than its factorization.

1838800130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31861.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1838800130 is about 42881.2328414191. The cubic root of 1838800130 is about 1225.1187179127.

The spelling of 1838800130 in words is "one billion, eight hundred thirty-eight million, eight hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 7573 15146 24281 37865 48562 75730 121405 242810 183880013 367760026 919400065 1838800130