Search a number
-
+
29986569001 = 124872401423
BaseRepresentation
bin11011111011010101…
…101011101100101001
32212101211000112111201
4123323111223230221
5442403030202001
621435312124201
72111044426264
oct337325535451
985354015451
1029986569001
1111798700134
12598a536661
132a9b67196c
14164674dcdb
15ba7874501
hex6fb56bb29

29986569001 has 4 divisors (see below), whose sum is σ = 29988982912. Its totient is φ = 29984155092.

The previous prime is 29986568999. The next prime is 29986569043. The reversal of 29986569001 is 10096568992.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29986569001 - 21 = 29986568999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29986569061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188225 + ... + 1213198.

It is an arithmetic number, because the mean of its divisors is an integer number (7497245728).

Almost surely, 229986569001 is an apocalyptic number.

It is an amenable number.

29986569001 is a deficient number, since it is larger than the sum of its proper divisors (2413911).

29986569001 is a wasteful number, since it uses less digits than its factorization.

29986569001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413910.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 29986569001 in words is "twenty-nine billion, nine hundred eighty-six million, five hundred sixty-nine thousand, one".

Divisors: 1 12487 2401423 29986569001