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87028262082652 = 221112491583598917
BaseRepresentation
bin10011110010011011011000…
…101001011001100001011100
3102102010211011012220112222011
4103302123120221121201130
542401332340043121102
6505032122012401004
724221404315122142
oct2362333051314134
9372124135815864
1087028262082652
112580352a13a490
1299167b0a76164
13397396478b777
14176c2944bd592
15a0dc113bd2d7
hex4f26d8a5985c

87028262082652 has 24 divisors (see below), whose sum is σ = 166277886390000. Its totient is φ = 39526628943360.

The previous prime is 87028262082637. The next prime is 87028262082689. The reversal of 87028262082652 is 25628026282078.

87028262082652 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×870282620826522 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791744503 + ... + 791854414.

It is an arithmetic number, because the mean of its divisors is an integer number (6928245266250).

Almost surely, 287028262082652 is an apocalyptic number.

It is an amenable number.

87028262082652 is a deficient number, since it is larger than the sum of its proper divisors (79249624307348).

87028262082652 is a wasteful number, since it uses less digits than its factorization.

87028262082652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583600181 (or 1583600179 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 58.

The spelling of 87028262082652 in words is "eighty-seven trillion, twenty-eight billion, two hundred sixty-two million, eighty-two thousand, six hundred fifty-two".

Divisors: 1 2 4 11 22 44 1249 2498 4996 13739 27478 54956 1583598917 3167197834 6334395668 17419588087 34839176174 69678352348 1977915047333 3955830094666 7911660189332 21757065520663 43514131041326 87028262082652