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1220310113200 = 24523050775283
BaseRepresentation
bin10001110000100000001…
…001101001101110110000
311022122211111202202120021
4101300200021221232300
5124443143342110300
62332334104453224
7154110264550033
oct21604011515660
94278744682507
101220310113200
11430592277812
1217860747a214
138b0c82c1679
14430c5a9701a
1521b22cb1d1a
hex11c20269bb0

1220310113200 has 30 divisors (see below), whose sum is σ = 2931795047924. Its totient is φ = 488124045120.

The previous prime is 1220310113179. The next prime is 1220310113219. The reversal of 1220310113200 is 23110130221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1525387242 + ... + 1525388041.

Almost surely, 21220310113200 is an apocalyptic number.

1220310113200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220310113200 is an abundant number, since it is smaller than the sum of its proper divisors (1711484934724).

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

1220310113200 is a wasteful number, since it uses less digits than its factorization.

1220310113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050775301 (or 3050775290 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1220310113200 its reverse (23110130221), we get a palindrome (1243420243421).

The spelling of 1220310113200 in words is "one trillion, two hundred twenty billion, three hundred ten million, one hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 3050775283 6101550566 12203101132 15253876415 24406202264 30507752830 48812404528 61015505660 76269382075 122031011320 152538764150 244062022640 305077528300 610155056600 1220310113200