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22053453231 = 310967441753
BaseRepresentation
bin10100100010011111…
…001111110110101111
32002220221110111112010
4110202133033312233
5330131141000411
614044202012303
71410335155005
oct244237176657
962827414463
1022053453231
119397665907
1243357a7093
132105c49114
1410d2cd6a75
1589118b7a6
hex5227cfdaf

22053453231 has 8 divisors (see below), whose sum is σ = 29674371760. Its totient is φ = 14567418432.

The previous prime is 22053453157. The next prime is 22053453259. The reversal of 22053453231 is 13235435022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22053453231 - 29 = 22053452719 is a prime.

It is a super-2 number, since 2×220534532312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053455231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33720550 + ... + 33721203.

It is an arithmetic number, because the mean of its divisors is an integer number (3709296470).

Almost surely, 222053453231 is an apocalyptic number.

22053453231 is a deficient number, since it is larger than the sum of its proper divisors (7620918529).

22053453231 is a wasteful number, since it uses less digits than its factorization.

22053453231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67441865.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 22053453231 its reverse (13235435022), we get a palindrome (35288888253).

The spelling of 22053453231 in words is "twenty-two billion, fifty-three million, four hundred fifty-three thousand, two hundred thirty-one".

Divisors: 1 3 109 327 67441753 202325259 7351151077 22053453231