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23320450000 = 2455466409
BaseRepresentation
bin10101101110000000…
…011101001111010000
32020012020112121100101
4111232000131033100
5340230013400000
614414022102144
71453621361101
oct255600351720
966166477311
1023320450000
119987871281
124629b7a954
13227859a153
1411b32a63a8
1591750ce6a
hex56e01d3d0

23320450000 has 60 divisors (see below), whose sum is σ = 56475721260. Its totient is φ = 9328160000.

The previous prime is 23320449973. The next prime is 23320450061. The reversal of 23320450000 is 5402332.

It can be written as a sum of positive squares in 6 ways, for example, as 17438787136 + 5881662864 = 132056^2 + 76692^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23320450000.

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, 183205 + ... + 283204.

It is an arithmetic number, because the mean of its divisors is an integer number (941262021).

Almost surely, 223320450000 is an apocalyptic number.

23320450000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23320450000 is an abundant number, since it is smaller than the sum of its proper divisors (33155271260).

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

23320450000 is an frugal number, since it uses more digits than its factorization.

23320450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466442 (or 466416 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

Adding to 23320450000 its reverse (5402332), we get a palindrome (23325852332).

The spelling of 23320450000 in words is "twenty-three billion, three hundred twenty million, four hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 3125 5000 6250 10000 12500 25000 50000 466409 932818 1865636 2332045 3731272 4664090 7462544 9328180 11660225 18656360 23320450 37312720 46640900 58301125 93281800 116602250 186563600 233204500 291505625 466409000 583011250 932818000 1166022500 1457528125 2332045000 2915056250 4664090000 5830112500 11660225000 23320450000