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2231200212320 = 25575118568577
BaseRepresentation
bin100000011101111101111…
…001010110010101100000
321220022010011211112121202
4200131331321112111200
5243023444223243240
64424555455540332
7320125135612142
oct40357571262540
97808104745552
102231200212320
11790279397322
1230050852a6a8
1313252a7b5631
1479dc2562c92
153d08a609315
hex2077de56560

2231200212320 has 48 divisors (see below), whose sum is σ = 5278229707968. Its totient is φ = 891291648000.

The previous prime is 2231200212257. The next prime is 2231200212349. The reversal of 2231200212320 is 232120021322.

It is a happy number.

2231200212320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22312002123203 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2231200212292 and 2231200212301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9164129 + ... + 9404448.

It is an arithmetic number, because the mean of its divisors is an integer number (109963118916).

Almost surely, 22231200212320 is an apocalyptic number.

2231200212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231200212320 is an abundant number, since it is smaller than the sum of its proper divisors (3047029495648).

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

2231200212320 is a wasteful number, since it uses less digits than its factorization.

2231200212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18569343 (or 18569335 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2231200212320 its reverse (232120021322), we get a palindrome (2463320233642).

The spelling of 2231200212320 in words is "two trillion, two hundred thirty-one billion, two hundred million, two hundred twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 751 1502 3004 3755 6008 7510 12016 15020 24032 30040 60080 120160 18568577 37137154 74274308 92842885 148548616 185685770 297097232 371371540 594194464 742743080 1485486160 2970972320 13945001327 27890002654 55780005308 69725006635 111560010616 139450013270 223120021232 278900026540 446240042464 557800053080 1115600106160 2231200212320