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21313232301120 = 2635191705368521
BaseRepresentation
bin1001101100010010111111…
…01000111110110001000000
32210110112011210201111120120
410312021133220332301000
510243143444432113440
6113155055211540240
74326554523266544
oct466113750766100
983415153644516
1021313232301120
116877988aa9981
12248279245a680
13bb7aa1936646
145397ccd61a24
1526e6157e7dd0
hex13625fa3ec40

21313232301120 has 224 divisors, whose sum is σ = 71236282500480. Its totient is φ = 5384001208320.

The previous prime is 21313232301089. The next prime is 21313232301133. The reversal of 21313232301120 is 2110323231312.

It is a super-2 number, since 2×213132323011202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311012460 + ... + 311080980.

Almost surely, 221313232301120 is an apocalyptic number.

21313232301120 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 21313232301120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35618141250240).

21313232301120 is an abundant number, since it is smaller than the sum of its proper divisors (49923050199360).

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

21313232301120 is a wasteful number, since it uses less digits than its factorization.

21313232301120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85613 (or 85603 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21313232301120 its reverse (2110323231312), we get a palindrome (23423555532432).

The spelling of 21313232301120 in words is "twenty-one trillion, three hundred thirteen billion, two hundred thirty-two million, three hundred one thousand, one hundred twenty".