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23311022330420 = 22511139969757019
BaseRepresentation
bin1010100110011100001010…
…01101001001001000110100
310001112111211020010012122222
411103032011031021020310
511023411433204033140
6121324534045341512
74624110602330426
oct523160515111064
9101474736105588
1023311022330420
11747817042aaa0
1227459ba267898
1310012b2387c36
145a838c0da816
152a658e7895b5
hex153385349234

23311022330420 has 48 divisors (see below), whose sum is σ = 53403885057600. Its totient is φ = 8476663633920.

The previous prime is 23311022330419. The next prime is 23311022330447. The reversal of 23311022330420 is 2403322011332.

It is a happy number.

It is a super-3 number, since 3×233110223304203 (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23311022330420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30414671 + ... + 31171689.

It is an arithmetic number, because the mean of its divisors is an integer number (1112580938700).

Almost surely, 223311022330420 is an apocalyptic number.

23311022330420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311022330420 is an abundant number, since it is smaller than the sum of its proper divisors (30092862727180).

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

23311022330420 is a wasteful number, since it uses less digits than its factorization.

23311022330420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897008 (or 897006 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 23311022330420 its reverse (2403322011332), we get a palindrome (25714344341752).

The spelling of 23311022330420 in words is "twenty-three trillion, three hundred eleven billion, twenty-two million, three hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 139969 279938 559876 699845 757019 1399690 1514038 1539659 2799380 3028076 3079318 3785095 6158636 7570190 7698295 8327209 15140380 15396590 16654418 30793180 33308836 41636045 83272090 166544180 105959192411 211918384822 423836769644 529795962055 1059591924110 1165551116521 2119183848220 2331102233042 4662204466084 5827755582605 11655511165210 23311022330420