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1010042213 = 4332332661
BaseRepresentation
bin111100001101000…
…000010101100101
32121101120110102212
4330031000111211
54032032322323
6244120413205
734013134325
oct7415002545
92541513385
101010042213
11479162734
12242317205
1313134501b
1498203285
155da16b78
hex3c340565

1010042213 has 4 divisors (see below), whose sum is σ = 1012375308. Its totient is φ = 1007709120.

The previous prime is 1010042191. The next prime is 1010042273. The reversal of 1010042213 is 3122400101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3122400101 = 29107668969.

It can be written as a sum of positive squares in 2 ways, for example, as 173791489 + 836250724 = 13183^2 + 28918^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010042213 - 26 = 1010042149 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 (1010042273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165898 + ... + 1166763.

It is an arithmetic number, because the mean of its divisors is an integer number (253093827).

Almost surely, 21010042213 is an apocalyptic number.

It is an amenable number.

1010042213 is a deficient number, since it is larger than the sum of its proper divisors (2333095).

1010042213 is an equidigital number, since it uses as much as digits as its factorization.

1010042213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333094.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1010042213 is about 31781.1612909283. The cubic root of 1010042213 is about 1003.3362613155.

Adding to 1010042213 its reverse (3122400101), we get a palindrome (4132442314).

The spelling of 1010042213 in words is "one billion, ten million, forty-two thousand, two hundred thirteen".

Divisors: 1 433 2332661 1010042213