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1230434101 = 1394648777
BaseRepresentation
bin100100101010110…
…1110111100110101
310011202021112021101
41021111232330311
510004442342401
6322032250101
742330342301
oct11125567465
93152245241
101230434101
11581603396
122a40a0931
13167bbbc20
14b95b2d01
157304d101
hex4956ef35

1230434101 has 4 divisors (see below), whose sum is σ = 1325082892. Its totient is φ = 1135785312.

The previous prime is 1230434099. The next prime is 1230434147. The reversal of 1230434101 is 1014340321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 674700625 + 555733476 = 25975^2 + 23574^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230434101 - 21 = 1230434099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230434201) 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, 47324376 + ... + 47324401.

It is an arithmetic number, because the mean of its divisors is an integer number (331270723).

Almost surely, 21230434101 is an apocalyptic number.

It is an amenable number.

1230434101 is a deficient number, since it is larger than the sum of its proper divisors (94648791).

1230434101 is an equidigital number, since it uses as much as digits as its factorization.

1230434101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94648790.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1230434101 is about 35077.5441130077. The cubic root of 1230434101 is about 1071.5673019456.

Adding to 1230434101 its reverse (1014340321), we get a palindrome (2244774422).

The spelling of 1230434101 in words is "one billion, two hundred thirty million, four hundred thirty-four thousand, one hundred one".

Divisors: 1 13 94648777 1230434101