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23311302000 = 2435372919139
BaseRepresentation
bin10101101101011101…
…100011110101110000
32020011121022211122120
4111231131203311300
5340220143131000
614413054034240
71453450540410
oct255535436560
966147284576
1023311302000
119982693248
124626aa8980
13227671632c
1411b1da4640
159168026a0
hex56d763d70

23311302000 has 320 divisors, whose sum is σ = 88858598400. Its totient is φ = 5144294400.

The previous prime is 23311301999. The next prime is 23311302013. The reversal of 23311302000 is 20311332.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1208431 + ... + 1227569.

It is an arithmetic number, because the mean of its divisors is an integer number (277683120).

Almost surely, 223311302000 is an apocalyptic number.

23311302000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23311302000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44429299200).

23311302000 is an abundant number, since it is smaller than the sum of its proper divisors (65547296400).

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

23311302000 is a wasteful number, since it uses less digits than its factorization.

23311302000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201 (or 19185 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23311302000 its reverse (20311332), we get a palindrome (23331613332).

The spelling of 23311302000 in words is "twenty-three billion, three hundred eleven million, three hundred two thousand".