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23311201200 = 2435272396449
BaseRepresentation
bin10101101101011101…
…001011001110110000
32020011121010201101020
4111231131023032300
5340220131414300
614413051535440
71453446640500
oct255535131660
966147121336
1023311201200
119982624541
124626a5a580
1322766ac4a1
1411b1d79a00
159167d28a0
hex56d74b3b0

23311201200 has 180 divisors, whose sum is σ = 86865366600. Its totient is φ = 5328261120.

The previous prime is 23311201187. The next prime is 23311201211. The reversal of 23311201200 is 210211332.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23311201200.

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 35 ways as a sum of consecutive naturals, for example, 139425 + ... + 257024.

It is an arithmetic number, because the mean of its divisors is an integer number (482585370).

Almost surely, 223311201200 is an apocalyptic number.

23311201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311201200 is an abundant number, since it is smaller than the sum of its proper divisors (63554165400).

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

23311201200 is a wasteful number, since it uses less digits than its factorization.

23311201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396484 (or 396466 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23311201200 its reverse (210211332), we get a palindrome (23521412532).

The spelling of 23311201200 in words is "twenty-three billion, three hundred eleven million, two hundred one thousand, two hundred".