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2302221012 = 2237134151421
BaseRepresentation
bin1000100100111001…
…0001101011010100
312221110000221111220
42021032101223110
514203332033022
61020240330340
7111023361420
oct21116215324
95843027456
102302221012
11a815a87a3
125430139b0
132a8c72070
1417ba89b80
15d71ae85c
hex89391ad4

2302221012 has 96 divisors (see below), whose sum is σ = 6772894464. Its totient is φ = 592358400.

The previous prime is 2302221011. The next prime is 2302221017. The reversal of 2302221012 is 2101222032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2302220982 and 2302221000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302221011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19062 + ... + 70482.

It is an arithmetic number, because the mean of its divisors is an integer number (70550984).

Almost surely, 22302221012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2302221012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386447232).

2302221012 is an abundant number, since it is smaller than the sum of its proper divisors (4470673452).

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

2302221012 is a wasteful number, since it uses less digits than its factorization.

2302221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51489 (or 51487 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2302221012 is about 47981.4652965080. The cubic root of 2302221012 is about 1320.4308763255.

Adding to 2302221012 its reverse (2101222032), we get a palindrome (4403443044).

The spelling of 2302221012 in words is "two billion, three hundred two million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 41 42 52 78 82 84 91 123 156 164 182 246 273 287 364 492 533 546 574 861 1066 1092 1148 1599 1722 2132 3198 3444 3731 6396 7462 11193 14924 22386 44772 51421 102842 154263 205684 308526 359947 617052 668473 719894 1079841 1336946 1439788 2005419 2108261 2159682 2673892 4010838 4216522 4319364 4679311 6324783 8021676 8433044 9358622 12649566 14037933 14757827 18717244 25299132 27407393 28075866 29515654 44273481 54814786 56151732 59031308 82222179 88546962 109629572 164444358 177093924 191851751 328888716 383703502 575555253 767407004 1151110506 2302221012