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23110222002 = 2375914396481
BaseRepresentation
bin10101100001011110…
…100000000010110010
32012122120221220202020
4111201132200002302
5334312204101002
614341112132310
71445456434350
oct254136400262
965576856666
1023110222002
11988a13292a
12458b697096
132243b7159a
1411933c07d0
15903d332bc
hex5617a00b2

23110222002 has 64 divisors (see below), whose sum is σ = 53764300800. Its totient is φ = 6485495040.

The previous prime is 23110222001. The next prime is 23110222033. The reversal of 23110222002 is 20022201132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23110222001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3562602 + ... + 3569082.

It is an arithmetic number, because the mean of its divisors is an integer number (840067200).

Almost surely, 223110222002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23110222002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26882150400).

23110222002 is an abundant number, since it is smaller than the sum of its proper divisors (30654078798).

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

23110222002 is a wasteful number, since it uses less digits than its factorization.

23110222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7991.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23110222002 its reverse (20022201132), we get a palindrome (43132423134).

The spelling of 23110222002 in words is "twenty-three billion, one hundred ten million, two hundred twenty-two thousand, two".

Divisors: 1 2 3 6 7 14 21 42 59 118 177 354 413 826 1239 1439 2478 2878 4317 6481 8634 10073 12962 19443 20146 30219 38886 45367 60438 84901 90734 136101 169802 254703 272202 382379 509406 594307 764758 1147137 1188614 1782921 2294274 2676653 3565842 5353306 8029959 9326159 16059918 18652318 27978477 55956954 65283113 130566226 195849339 391698678 550243381 1100486762 1650730143 3301460286 3851703667 7703407334 11555111001 23110222002