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1968910612 = 221313757463
BaseRepresentation
bin111010101011011…
…0011000100010100
312002012212000121021
41311112303010110
513013020114422
6523212330524
766535315114
oct16526630424
95065760537
101968910612
11920442759
1246b473a44
13254bb0586
141496c5044
15b7cc0dc7
hex755b3114

1968910612 has 12 divisors (see below), whose sum is σ = 3471896736. Its totient is φ = 976940120.

The previous prime is 1968910597. The next prime is 1968910649. The reversal of 1968910612 is 2160198691.

It is a congruent number.

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, 1878208 + ... + 1879255.

It is an arithmetic number, because the mean of its divisors is an integer number (289324728).

Almost surely, 21968910612 is an apocalyptic number.

It is an amenable number.

1968910612 is a deficient number, since it is larger than the sum of its proper divisors (1502986124).

1968910612 is a wasteful number, since it uses less digits than its factorization.

1968910612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757598 (or 3757596 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 1968910612 is about 44372.4082285377. The cubic root of 1968910612 is about 1253.3585651766.

The spelling of 1968910612 in words is "one billion, nine hundred sixty-eight million, nine hundred ten thousand, six hundred twelve".

Divisors: 1 2 4 131 262 524 3757463 7514926 15029852 492227653 984455306 1968910612