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1131210102 = 231137463231
BaseRepresentation
bin100001101101100…
…1110010101110110
32220211120102112110
41003123032111312
54304042210402
6304125431450
740014061431
oct10333162566
92824512473
101131210102
115305a1990
12276a0b586
1315048a6b9
14aa344818
156949d56c
hex436ce576

1131210102 has 32 divisors (see below), whose sum is σ = 2534805504. Its totient is φ = 333525600.

The previous prime is 1131210089. The next prime is 1131210103. The reversal of 1131210102 is 2010121311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131210103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229174 + ... + 234057.

It is an arithmetic number, because the mean of its divisors is an integer number (79212672).

Almost surely, 21131210102 is an apocalyptic number.

1131210102 is an abundant number, since it is smaller than the sum of its proper divisors (1403595402).

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

1131210102 is a wasteful number, since it uses less digits than its factorization.

1131210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463284.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1131210102 is about 33633.4669934576. The cubic root of 1131210102 is about 1041.9521095532.

Adding to 1131210102 its reverse (2010121311), we get a palindrome (3141331413).

The spelling of 1131210102 in words is "one billion, one hundred thirty-one million, two hundred ten thousand, one hundred two".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 222 407 814 1221 2442 463231 926462 1389693 2779386 5095541 10191082 15286623 17139547 30573246 34279094 51418641 102837282 188535017 377070034 565605051 1131210102