Search a number
-
+
29010020202 = 2323374782397
BaseRepresentation
bin11011000001001000…
…011100011101101010
32202212202110201101200
4123001020130131222
5433403031121302
621154345225030
72044616050242
oct330110343552
982782421350
1029010020202
1111337444609
125757492176
132974255a37
141592b88b22
15b4bc7681c
hex6c121c76a

29010020202 has 24 divisors (see below), whose sum is σ = 63041570436. Its totient is φ = 9641310336.

The previous prime is 29010020111. The next prime is 29010020203. The reversal of 29010020202 is 20202001092.

It can be written as a sum of positive squares in 2 ways, for example, as 25049709441 + 3960310761 = 158271^2 + 62931^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (29010020203) 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, 2385133 + ... + 2397264.

Almost surely, 229010020202 is an apocalyptic number.

29010020202 is an abundant number, since it is smaller than the sum of its proper divisors (34031550234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29010020202 is a wasteful number, since it uses less digits than its factorization.

29010020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782742 (or 4782739 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 29010020202 its reverse (20202001092), we get a palindrome (49212021294).

The spelling of 29010020202 in words is "twenty-nine billion, ten million, twenty thousand, two hundred two".

Divisors: 1 2 3 6 9 18 337 674 1011 2022 3033 6066 4782397 9564794 14347191 28694382 43041573 86083146 1611667789 3223335578 4835003367 9670006734 14505010101 29010020202