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23313001200 = 2435219427501
BaseRepresentation
bin10101101101100100…
…000010101011110000
32020011201112011111220
4111231210002223300
5340221112014300
614413154305040
71453501145346
oct255544025360
966151464456
1023313001200
119983643945
124627588180
132276b8c888
1411b22c7996
15916a3ada0
hex56d902af0

23313001200 has 60 divisors (see below), whose sum is σ = 74679317688. Its totient is φ = 6216800000.

The previous prime is 23313001183. The next prime is 23313001247. The reversal of 23313001200 is 210031332.

It is a tau number, because it is divible by the number of its divisors (60).

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 23313001200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9712551 + ... + 9714950.

Almost surely, 223313001200 is an apocalyptic number.

23313001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23313001200 is an abundant number, since it is smaller than the sum of its proper divisors (51366316488).

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

23313001200 is a wasteful number, since it uses less digits than its factorization.

23313001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19427522 (or 19427511 counting only the distinct ones).

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

Adding to 23313001200 its reverse (210031332), we get a palindrome (23523032532).

The spelling of 23313001200 in words is "twenty-three billion, three hundred thirteen million, one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 19427501 38855002 58282503 77710004 97137505 116565006 155420008 194275010 233130012 291412515 310840016 388550020 466260024 485687525 582825030 777100040 932520048 971375050 1165650060 1457062575 1554200080 1942750100 2331300120 2914125150 3885500200 4662600240 5828250300 7771000400 11656500600 23313001200