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130312232093 = 209029623417
BaseRepresentation
bin111100101011100110…
…1101101110010011101
3110110100200110021112102
41321113031231302131
54113334412411333
6135510431214445
712262154461001
oct1712715556235
9413320407472
10130312232093
11502a094878a
1221309377425
13c399796154
146442b44701
1535ca48bae8
hex1e5736dc9d

130312232093 has 4 divisors (see below), whose sum is σ = 130313064540. Its totient is φ = 130311399648.

The previous prime is 130312231993. The next prime is 130312232137. The reversal of 130312232093 is 390232213031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 81075728644 + 49236503449 = 284738^2 + 221893^2 .

It is a cyclic number.

It is not a de Polignac number, because 130312232093 - 216 = 130312166557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130312202093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102680 + ... + 520737.

It is an arithmetic number, because the mean of its divisors is an integer number (32578266135).

Almost surely, 2130312232093 is an apocalyptic number.

It is an amenable number.

130312232093 is a deficient number, since it is larger than the sum of its proper divisors (832447).

130312232093 is an equidigital number, since it uses as much as digits as its factorization.

130312232093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832446.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 130312232093 in words is "one hundred thirty billion, three hundred twelve million, two hundred thirty-two thousand, ninety-three".

Divisors: 1 209029 623417 130312232093