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16868202744 = 2331063661187
BaseRepresentation
bin11111011010110110…
…00101100011111000
31121112120111111001210
433231123011203320
5234021224441434
611425452043120
71135003233441
oct175533054370
947476444053
1016868202744
11717672a428
1233291634a0
13178a8c8873
14b603b22c8
1568ad40ee9
hex3ed6c58f8

16868202744 has 32 divisors (see below), whose sum is σ = 42210241920. Its totient is φ = 5617436256.

The previous prime is 16868202731. The next prime is 16868202749. The reversal of 16868202744 is 44720286861.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16868202693 and 16868202702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868202749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305082 + ... + 356105.

It is an arithmetic number, because the mean of its divisors is an integer number (1319070060).

Almost surely, 216868202744 is an apocalyptic number.

It is an amenable number.

16868202744 is an abundant number, since it is smaller than the sum of its proper divisors (25342039176).

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

16868202744 is a wasteful number, since it uses less digits than its factorization.

16868202744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662259 (or 662255 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 16868202744 in words is "sixteen billion, eight hundred sixty-eight million, two hundred two thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 1063 2126 3189 4252 6378 8504 12756 25512 661187 1322374 1983561 2644748 3967122 5289496 7934244 15868488 702841781 1405683562 2108525343 2811367124 4217050686 5622734248 8434101372 16868202744