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280030028010 = 2353129713147
BaseRepresentation
bin1000001001100110001…
…01110010000011101010
3222202210202220100011220
410010303011302003222
514042000141344020
6332351035202510
726142255651555
oct4046305620352
9882722810156
10280030028010
11a883a717817
12463315a6436
1320539738935
14d7a6c3569c
15743e3c5240
hex41331720ea

280030028010 has 48 divisors (see below), whose sum is σ = 694451229408. Its totient is φ = 72265806240.

The previous prime is 280030027903. The next prime is 280030028023. The reversal of 280030028010 is 10820030082.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4827744 + ... + 4885403.

It is an arithmetic number, because the mean of its divisors is an integer number (14467733946).

Almost surely, 2280030028010 is an apocalyptic number.

280030028010 is an abundant number, since it is smaller than the sum of its proper divisors (414421201398).

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

280030028010 is a wasteful number, since it uses less digits than its factorization.

280030028010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9713219 (or 9713188 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 280030028010 its reverse (10820030082), we get a palindrome (290850058092).

The spelling of 280030028010 in words is "two hundred eighty billion, thirty million, twenty-eight thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 961 1922 2883 4805 5766 9610 14415 28830 9713147 19426294 29139441 48565735 58278882 97131470 145697205 291394410 301107557 602215114 903322671 1505537785 1806645342 3011075570 4516613355 9033226710 9334334267 18668668534 28003002801 46671671335 56006005602 93343342670 140015014005 280030028010