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28182167104 = 2671337130783
BaseRepresentation
bin11010001111110010…
…011011111001000000
32200202001201102102211
4122033302123321000
5430204113321404
620540253351504
72015244316330
oct321762337100
980661642384
1028182167104
1110a5210a2a3
125566198594
1328718a0130
141514c4d0c0
15aee24bb04
hex68fc9be40

28182167104 has 112 divisors (see below), whose sum is σ = 70690321408. Its totient is φ = 10847582208.

The previous prime is 28182167071. The next prime is 28182167137. The reversal of 28182167104 is 40176128182.

It is an interprime number because it is at equal distance from previous prime (28182167071) and next prime (28182167137).

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150097 + ... + 280879.

It is an arithmetic number, because the mean of its divisors is an integer number (631163584).

Almost surely, 228182167104 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 28182167104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35345160704).

28182167104 is an abundant number, since it is smaller than the sum of its proper divisors (42508154304).

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

28182167104 is a wasteful number, since it uses less digits than its factorization.

28182167104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130852 (or 130842 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 28182167104 in words is "twenty-eight billion, one hundred eighty-two million, one hundred sixty-seven thousand, one hundred four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 37 52 56 64 74 91 104 112 148 182 208 224 259 296 364 416 448 481 518 592 728 832 962 1036 1184 1456 1924 2072 2368 2912 3367 3848 4144 5824 6734 7696 8288 13468 15392 16576 26936 30784 53872 107744 130783 215488 261566 523132 915481 1046264 1700179 1830962 2092528 3400358 3661924 4185056 4838971 6800716 7323848 8370112 9677942 11901253 13601432 14647696 19355884 23802506 27202864 29295392 33872797 38711768 47605012 54405728 58590784 62906623 67745594 77423536 95210024 108811456 125813246 135491188 154847072 190420048 251626492 270982376 309694144 380840096 440346361 503252984 541964752 761680192 880692722 1006505968 1083929504 1761385444 2013011936 2167859008 3522770888 4026023872 7045541776 14091083552 28182167104