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10200130291 = 1331181139837
BaseRepresentation
bin10010111111111100…
…11010001011110011
3222022212100022021101
421133332122023303
5131342213132131
64404052105231
7510524451121
oct113776321363
928285308241
1010200130291
11436478694a
121b88005217
13c672bbb70
146ca97a911
153ea740c61
hex25ff9a2f3

10200130291 has 16 divisors (see below), whose sum is σ = 11401831168. Its totient is φ = 9061372800.

The previous prime is 10200130277. The next prime is 10200130301. The reversal of 10200130291 is 19203100201.

It is a cyclic number.

It is not a de Polignac number, because 10200130291 - 231 = 8052646643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10200130201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3025 + ... + 142861.

It is an arithmetic number, because the mean of its divisors is an integer number (712614448).

Almost surely, 210200130291 is an apocalyptic number.

10200130291 is a deficient number, since it is larger than the sum of its proper divisors (1201700877).

10200130291 is a wasteful number, since it uses less digits than its factorization.

10200130291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140062.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 10200130291 its reverse (19203100201), we get a palindrome (29403230492).

The spelling of 10200130291 in words is "ten billion, two hundred million, one hundred thirty thousand, two hundred ninety-one".

Divisors: 1 13 31 181 403 2353 5611 72943 139837 1817881 4334947 25310497 56354311 329036461 784625407 10200130291