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1311102301312 = 2727137796999
BaseRepresentation
bin10011000101000011110…
…010010111010010000000
311122100011222021210111001
4103011003302113102000
5132440114142120222
62442151224301344
7163503223452646
oct23050362272200
94570158253431
101311102301312
11466043083521
12192125611854
139683728cbbb
1447659c89196
1524188970e27
hex13143c97480

1311102301312 has 32 divisors (see below), whose sum is σ = 2621599920000. Its totient is φ = 653132125440.

The previous prime is 1311102301279. The next prime is 1311102301331. The reversal of 1311102301312 is 2131032011131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1311102301312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18863812 + ... + 18933187.

It is an arithmetic number, because the mean of its divisors is an integer number (81924997500).

Almost surely, 21311102301312 is an apocalyptic number.

It is an amenable number.

1311102301312 is a deficient number, since it is larger than the sum of its proper divisors (1310497618688).

1311102301312 is an equidigital number, since it uses as much as digits as its factorization.

1311102301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37797284 (or 37797272 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1311102301312 its reverse (2131032011131), we get a palindrome (3442134312443).

The spelling of 1311102301312 in words is "one trillion, three hundred eleven billion, one hundred two million, three hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 271 542 1084 2168 4336 8672 17344 34688 37796999 75593998 151187996 302375992 604751984 1209503968 2419007936 4838015872 10242986729 20485973458 40971946916 81943893832 163887787664 327775575328 655551150656 1311102301312