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1223869130 = 251111126083
BaseRepresentation
bin100100011110010…
…1100001011001010
310011021220222211022
41020330230023022
510001302303010
6321235432442
742220500401
oct11074541312
93137828738
101223869130
11578929aa0
122a1a55722
13166730a23
14b8784638
15726a2d55
hex48f2c2ca

1223869130 has 16 divisors (see below), whose sum is σ = 2403234144. Its totient is φ = 445043280.

The previous prime is 1223869121. The next prime is 1223869133. The reversal of 1223869130 is 319683221.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1223869133) 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, 5562932 + ... + 5563151.

It is an arithmetic number, because the mean of its divisors is an integer number (150202134).

Almost surely, 21223869130 is an apocalyptic number.

1223869130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223869130 is a deficient number, since it is larger than the sum of its proper divisors (1179365014).

1223869130 is a wasteful number, since it uses less digits than its factorization.

1223869130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126101.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1223869130 is about 34983.8409840886. The cubic root of 1223869130 is about 1069.6581229381.

The spelling of 1223869130 in words is "one billion, two hundred twenty-three million, eight hundred sixty-nine thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 11126083 22252166 55630415 111260830 122386913 244773826 611934565 1223869130