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2201303131312 = 24297736137371
BaseRepresentation
bin100000000010000111111…
…001000010010010110000
321210102221121012110120011
4200002013321002102300
5242031232100200222
64403133101424304
7315016225613515
oct40020771022260
97712847173504
102201303131312
1177962725890a
122b6763b6b094
1312c77484685c
1478787a6930c
153c3daa5ec77
hex20087e424b0

2201303131312 has 40 divisors (see below), whose sum is σ = 4417803113040. Its totient is φ = 1061323119360.

The previous prime is 2201303131309. The next prime is 2201303131343. The reversal of 2201303131312 is 2131313031022.

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, 2710014 + ... + 3427357.

It is an arithmetic number, because the mean of its divisors is an integer number (110445077826).

Almost surely, 22201303131312 is an apocalyptic number.

It is an amenable number.

2201303131312 is an abundant number, since it is smaller than the sum of its proper divisors (2216499981728).

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

2201303131312 is a wasteful number, since it uses less digits than its factorization.

2201303131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138181 (or 6138175 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2201303131312 its reverse (2131313031022), we get a palindrome (4332616162334).

The spelling of 2201303131312 in words is "two trillion, two hundred one billion, three hundred three million, one hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 29 58 116 232 464 773 1546 3092 6184 12368 22417 44834 89668 179336 358672 6137371 12274742 24549484 49098968 98197936 177983759 355967518 711935036 1423870072 2847740144 4744187783 9488375566 18976751132 37953502264 75907004528 137581445707 275162891414 550325782828 1100651565656 2201303131312