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23400300220 = 22511106365001
BaseRepresentation
bin10101110010110001…
…000011111010111100
32020101210210102020221
4111302301003322330
5340410434101340
614425553351124
71455611161423
oct256261037274
966353712227
1023400300220
119a1894a9a0
1246508684a4
13228bca72bb
1411bdb302ba
1591e53244a
hex572c43ebc

23400300220 has 24 divisors (see below), whose sum is σ = 53607961008. Its totient is φ = 8509200000.

The previous prime is 23400300197. The next prime is 23400300229. The reversal of 23400300220 is 2200300432.

It is a super-2 number, since 2×234003002202 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23400300194 and 23400300203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23400300229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 53182281 + ... + 53182720.

It is an arithmetic number, because the mean of its divisors is an integer number (2233665042).

Almost surely, 223400300220 is an apocalyptic number.

23400300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23400300220 is an abundant number, since it is smaller than the sum of its proper divisors (30207660788).

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

23400300220 is a wasteful number, since it uses less digits than its factorization.

23400300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106365021 (or 106365019 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 23400300220 its reverse (2200300432), we get a palindrome (25600600652).

The spelling of 23400300220 in words is "twenty-three billion, four hundred million, three hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 106365001 212730002 425460004 531825005 1063650010 1170015011 2127300020 2340030022 4680060044 5850075055 11700150110 23400300220