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1202105113 = 11250319751
BaseRepresentation
bin100011110100110…
…1010101100011001
310002202222021012121
41013221222230121
54430214330423
6315141141241
741534503426
oct10751525431
93082867177
101202105113
11567614400
122966ba821
13162080701
14b591ad4d
157080445d
hex47a6ab19

1202105113 has 12 divisors (see below), whose sum is σ = 1324016064. Its totient is φ = 1090595000.

The previous prime is 1202105087. The next prime is 1202105147. The reversal of 1202105113 is 3115012021.

It is not a de Polignac number, because 1202105113 - 25 = 1202105081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202105153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50988 + ... + 70738.

It is an arithmetic number, because the mean of its divisors is an integer number (110334672).

Almost surely, 21202105113 is an apocalyptic number.

It is an amenable number.

1202105113 is a deficient number, since it is larger than the sum of its proper divisors (121910951).

1202105113 is a wasteful number, since it uses less digits than its factorization.

1202105113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20276 (or 20265 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1202105113 is about 34671.3875263163. The cubic root of 1202105113 is about 1063.2795996100.

Adding to 1202105113 its reverse (3115012021), we get a palindrome (4317117134).

The spelling of 1202105113 in words is "one billion, two hundred two million, one hundred five thousand, one hundred thirteen".

Divisors: 1 11 121 503 5533 19751 60863 217261 2389871 9934753 109282283 1202105113