Search a number
-
+
12303102221202 = 23134729191114967
BaseRepresentation
bin1011001100001000101000…
…0010011001101110010010
31121120011110100101022000010
42303002022002121232102
53103033223132034302
642055544522335350
72406604225253502
oct263021202315622
947504410338003
1012303102221202
113a1379750a881
12146851005a556
136b3240143530
1430768ab35a02
15165072b1616c
hexb308a099b92

12303102221202 has 64 divisors (see below), whose sum is σ = 27063960182784. Its totient is φ = 3704866724160.

The previous prime is 12303102221161. The next prime is 12303102221209. The reversal of 12303102221202 is 20212220130321.

It is a super-2 number, since 2×123031022212022 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12303102221209) 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, 106956723 + ... + 107071689.

It is an arithmetic number, because the mean of its divisors is an integer number (422874377856).

Almost surely, 212303102221202 is an apocalyptic number.

12303102221202 is an abundant number, since it is smaller than the sum of its proper divisors (14760857961582).

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

12303102221202 is a wasteful number, since it uses less digits than its factorization.

12303102221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144223.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12303102221202 its reverse (20212220130321), we get a palindrome (32515322351523).

The spelling of 12303102221202 in words is "twelve trillion, three hundred three billion, one hundred two million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 13 26 39 47 78 94 141 282 611 1222 1833 3666 29191 58382 87573 114967 175146 229934 344901 379483 689802 758966 1138449 1371977 1494571 2276898 2743954 2989142 4115931 4483713 5403449 8231862 8967426 10806898 16210347 17835701 32420694 35671402 53507103 70244837 107014206 140489674 210734511 421469022 3356001697 6712003394 10068005091 20136010182 43628022061 87256044122 130884066183 157732079759 261768132366 315464159518 473196239277 946392478554 2050517036867 4101034073734 6151551110601 12303102221202