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3018316144872 = 23375311317916759
BaseRepresentation
bin101011111011000001101…
…010010110000011101000
3101200112210122022211201010
4223323001222112003220
5343423002413113442
610230332330023520
7431031454630260
oct53730152260350
911615718284633
103018316144872
11a6407385a496
12408b77b77ba0
1318b81a3c1a52
14a61316da7a0
15537a7749b9c
hex2bec1a960e8

3018316144872 has 256 divisors, whose sum is σ = 8914281984000. Its totient is φ = 833882370048.

The previous prime is 3018316144849. The next prime is 3018316144903. The reversal of 3018316144872 is 2784416138103.

It is a super-2 number, since 2×30183161448722 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180092829 + ... + 180109587.

It is an arithmetic number, because the mean of its divisors is an integer number (34821414000).

Almost surely, 23018316144872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3018316144872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4457140992000).

3018316144872 is an abundant number, since it is smaller than the sum of its proper divisors (5895965839128).

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

3018316144872 is a wasteful number, since it uses less digits than its factorization.

3018316144872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17120 (or 17116 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 3018316144872 in words is "three trillion, eighteen billion, three hundred sixteen million, one hundred forty-four thousand, eight hundred seventy-two".