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1241245152212 = 221337645137813
BaseRepresentation
bin10010000011111111111…
…110011111001111010100
311101122212111201221012112
4102003333332133033110
5130314032224332322
62350115315210152
7155451132466142
oct22037776371724
94348774657175
101241245152212
1143945559044a
1218068a5a6958
1390083610410
144411021a592
152244ab7b5e2
hex120fff9f3d4

1241245152212 has 24 divisors (see below), whose sum is σ = 2402493219336. Its totient is φ = 557399069568.

The previous prime is 1241245152211. The next prime is 1241245152247. The reversal of 1241245152212 is 2122515421421.

It can be written as a sum of positive squares in 4 ways, for example, as 81410926276 + 1159834225936 = 285326^2 + 1076956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241245152211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322566983 + ... + 322570830.

It is an arithmetic number, because the mean of its divisors is an integer number (100103884139).

Almost surely, 21241245152212 is an apocalyptic number.

It is an amenable number.

1241245152212 is a deficient number, since it is larger than the sum of its proper divisors (1161248067124).

1241245152212 is a wasteful number, since it uses less digits than its factorization.

1241245152212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645137867 (or 645137865 counting only the distinct ones).

The product of its digits is 12800, while the sum is 32.

The spelling of 1241245152212 in words is "one trillion, two hundred forty-one billion, two hundred forty-five million, one hundred fifty-two thousand, two hundred twelve".

Divisors: 1 2 4 13 26 37 52 74 148 481 962 1924 645137813 1290275626 2580551252 8386791569 16773583138 23870099081 33547166276 47740198162 95480396324 310311288053 620622576106 1241245152212