Search a number
-
+
1212243143310 = 232533194058261
BaseRepresentation
bin10001101000111111010…
…100100110101010001110
311021220000022100020020200
4101220333110212222032
5124330133221041220
62324521413354330
7153403341463263
oct21507724465216
94256008306220
101212243143310
11428122718951
12176b359389a6
138a410c30cc4
144295c55926a
15217ee988890
hex11a3f526a8e

1212243143310 has 48 divisors (see below), whose sum is σ = 3152782582560. Its totient is φ = 323167360320.

The previous prime is 1212243143303. The next prime is 1212243143317. The reversal of 1212243143310 is 133413422121.

1212243143310 is a `hidden beast` number, since 1 + 2 + 1 + 224 + 3 + 1 + 433 + 1 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1212243143303) and next prime (1212243143317).

It is a super-2 number, since 2×12122431433102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212243143317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1730421 + ... + 2327840.

It is an arithmetic number, because the mean of its divisors is an integer number (65682970470).

Almost surely, 21212243143310 is an apocalyptic number.

1212243143310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212243143310 is an abundant number, since it is smaller than the sum of its proper divisors (1940539439250).

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

1212243143310 is a wasteful number, since it uses less digits than its factorization.

1212243143310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061593 (or 4061590 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1212243143310 its reverse (133413422121), we get a palindrome (1345656565431).

The spelling of 1212243143310 in words is "one trillion, two hundred twelve billion, two hundred forty-three million, one hundred forty-three thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3319 6638 9957 16595 19914 29871 33190 49785 59742 99570 149355 298710 4058261 8116522 12174783 20291305 24349566 36524349 40582610 60873915 73048698 121747830 182621745 365243490 13469368259 26938736518 40408104777 67346841295 80816209554 121224314331 134693682590 202040523885 242448628662 404081047770 606121571655 1212243143310