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2231101312000 = 210531129101541
BaseRepresentation
bin100000011101111000000…
…000000100110000000000
321220021212021201212212221
4200131320000010300000
5243023243413441000
64424542004100424
7320122525150051
oct40357000046000
97807767655787
102231101312000
11790228587020
1230049b394714
13132513168532
1479db337a728
153d081ac061a
hex20778004c00

2231101312000 has 704 divisors, whose sum is σ = 6355422103680. Its totient is φ = 774144000000.

The previous prime is 2231101311917. The next prime is 2231101312021. The reversal of 2231101312000 is 2131011322.

It is a tau number, because it is divible by the number of its divisors (704).

It is a super-3 number, since 3×22311013120003 (a number of 38 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4124031730 + ... + 4124032270.

Almost surely, 22231101312000 is an apocalyptic number.

2231101312000 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 2231101312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3177711051840).

2231101312000 is an abundant number, since it is smaller than the sum of its proper divisors (4124320791680).

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

2231101312000 is a wasteful number, since it uses less digits than its factorization.

2231101312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 689 counting only the distinct ones).

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

Adding to 2231101312000 its reverse (2131011322), we get a palindrome (2233232323322).

The spelling of 2231101312000 in words is "two trillion, two hundred thirty-one billion, one hundred one million, three hundred twelve thousand".