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1201340223 = 32496926863
BaseRepresentation
bin100011110011010…
…1111111100111111
310002201112101222100
41013212233330333
54430020341343
6315112520143
741525136426
oct10746577477
93081471870
101201340223
11567141766
122963b0053
13161b73505
14b579c2bd
15707029d3
hex479aff3f

1201340223 has 12 divisors (see below), whose sum is σ = 1735683040. Its totient is φ = 800702496.

The previous prime is 1201340213. The next prime is 1201340249. The reversal of 1201340223 is 3220431021.

It is not a de Polignac number, because 1201340223 - 26 = 1201340159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201340196 and 1201340205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201340213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31290 + ... + 58152.

Almost surely, 21201340223 is an apocalyptic number.

1201340223 is a deficient number, since it is larger than the sum of its proper divisors (534342817).

1201340223 is a wasteful number, since it uses less digits than its factorization.

1201340223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31838 (or 31835 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1201340223 is about 34660.3552059121. The cubic root of 1201340223 is about 1063.0540329541.

Adding to 1201340223 its reverse (3220431021), we get a palindrome (4421771244).

The spelling of 1201340223 in words is "one billion, two hundred one million, three hundred forty thousand, two hundred twenty-three".

Divisors: 1 3 9 4969 14907 26863 44721 80589 241767 133482247 400446741 1201340223