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22520152131 = 347235767763
BaseRepresentation
bin10100111110010011…
…100100000001000011
32011010110122021001120
4110332103210001003
5332110124332011
614202353003323
71425033064131
oct247623440103
964113567046
1022520152131
119607047684
124445b53543
13217b841809
141138ca0751
158bc127a06
hex53e4e4043

22520152131 has 16 divisors (see below), whose sum is σ = 30679202304. Its totient is φ = 14687549024.

The previous prime is 22520152129. The next prime is 22520152153. The reversal of 22520152131 is 13125102522.

It is a cyclic number.

It is not a de Polignac number, because 22520152131 - 21 = 22520152129 is a prime.

It is a super-2 number, since 2×225201521312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22520152181) 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, 298456 + ... + 366218.

It is an arithmetic number, because the mean of its divisors is an integer number (1917450144).

Almost surely, 222520152131 is an apocalyptic number.

22520152131 is a deficient number, since it is larger than the sum of its proper divisors (8159050173).

22520152131 is a wasteful number, since it uses less digits than its factorization.

22520152131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70170.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 22520152131 its reverse (13125102522), we get a palindrome (35645254653).

The spelling of 22520152131 in words is "twenty-two billion, five hundred twenty million, one hundred fifty-two thousand, one hundred thirty-one".

Divisors: 1 3 47 141 2357 7071 67763 110779 203289 332337 3184861 9554583 159717391 479152173 7506717377 22520152131