Search a number
-
+
211001011010 = 2597429216569
BaseRepresentation
bin1100010010000010100…
…0111110101101000010
3202011122000121221120122
43010200220332231002
511424112224323020
6240533231540242
721146542000256
oct3044050765502
9664560557518
10211001011010
118153762a639
1234a8798a682
1316b8850ba4a
14a2d9176266
15574e163125
hex3120a3eb42

211001011010 has 16 divisors (see below), whose sum is σ = 379807471800. Its totient is φ = 84399148416.

The previous prime is 211001010971. The next prime is 211001011031. The reversal of 211001011010 is 10110100112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 184520934481 + 26480076529 = 429559^2 + 162727^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866006 + ... + 1082574.

Almost surely, 2211001011010 is an apocalyptic number.

211001011010 is a deficient number, since it is larger than the sum of its proper divisors (168806460790).

211001011010 is a wasteful number, since it uses less digits than its factorization.

211001011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314005.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 211001011010 its reverse (10110100112), we get a palindrome (221111111122).

The spelling of 211001011010 in words is "two hundred eleven billion, one million, eleven thousand, ten".

Divisors: 1 2 5 10 97429 194858 216569 433138 487145 974290 1082845 2165690 21100101101 42200202202 105500505505 211001011010