Search a number
-
+
20250250122 = 23191311355983
BaseRepresentation
bin10010110111000000…
…100100101110001010
31221021021102021212210
4102313000210232022
5312433031000442
613145225045550
71314551200044
oct226700445612
957237367783
1020250250122
118651813703
123b119268b6
131ba94a712b
14da1628a94
157d7bee19c
hex4b7024b8a

20250250122 has 32 divisors (see below), whose sum is σ = 42957573120. Its totient is φ = 6345995760.

The previous prime is 20250250117. The next prime is 20250250129. The reversal of 20250250122 is 22105205202.

It is a super-2 number, since 2×202502501222 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20250250129) 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, 663058 + ... + 692925.

It is an arithmetic number, because the mean of its divisors is an integer number (1342424160).

Almost surely, 220250250122 is an apocalyptic number.

20250250122 is an abundant number, since it is smaller than the sum of its proper divisors (22707322998).

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

20250250122 is a wasteful number, since it uses less digits than its factorization.

20250250122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356138.

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 20250250122 its reverse (22105205202), we get a palindrome (42355455324).

The spelling of 20250250122 in words is "twenty billion, two hundred fifty million, two hundred fifty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 131 262 393 786 2489 4978 7467 14934 1355983 2711966 4067949 8135898 25763677 51527354 77291031 154582062 177633773 355267546 532901319 1065802638 3375041687 6750083374 10125125061 20250250122