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1234100213 = 2353656531
BaseRepresentation
bin100100110001110…
…1101111111110101
310012000011210020022
41021203231333311
510011412201323
6322243014525
742403451543
oct11143557765
93160153208
101234100213
11583687835
122a536a445
131688a3818
14b9c88d93
15735244c8
hex498edff5

1234100213 has 4 divisors (see below), whose sum is σ = 1287756768. Its totient is φ = 1180443660.

The previous prime is 1234100149. The next prime is 1234100237. The reversal of 1234100213 is 3120014321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1234100213 - 26 = 1234100149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1234100191 and 1234100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234150213) 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, 26828243 + ... + 26828288.

It is an arithmetic number, because the mean of its divisors is an integer number (321939192).

Almost surely, 21234100213 is an apocalyptic number.

It is an amenable number.

1234100213 is a deficient number, since it is larger than the sum of its proper divisors (53656555).

1234100213 is an equidigital number, since it uses as much as digits as its factorization.

1234100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53656554.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1234100213 is about 35129.7624956389. The cubic root of 1234100213 is about 1072.6305013779.

Adding to 1234100213 its reverse (3120014321), we get a palindrome (4354114534).

The spelling of 1234100213 in words is "one billion, two hundred thirty-four million, one hundred thousand, two hundred thirteen".

Divisors: 1 23 53656531 1234100213