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210121003031032 = 23194139239859259
BaseRepresentation
bin101111110001101010011011…
…101111101101100111111000
31000112222101000222102011210201
4233301222123233231213320
5210020110303233443112
62022520131201251544
762154512222531212
oct5761523357554770
91015871028364721
10210121003031032
1160a508a9405555
121b696a36933bb4
139032430360442
1439c5ca73955b2
151945ae2067257
hexbf1a9bbed9f8

210121003031032 has 64 divisors (see below), whose sum is σ = 424838766240000. Its totient is φ = 97100828363520.

The previous prime is 210121003030997. The next prime is 210121003031119. The reversal of 210121003031032 is 230130300121012.

It is a super-3 number, since 3×2101210030310323 (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244107819 + ... + 244967077.

It is an arithmetic number, because the mean of its divisors is an integer number (6638105722500).

Almost surely, 2210121003031032 is an apocalyptic number.

It is an amenable number.

210121003031032 is an abundant number, since it is smaller than the sum of its proper divisors (214717763208968).

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

210121003031032 is a wasteful number, since it uses less digits than its factorization.

210121003031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898564 (or 898560 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210121003031032 its reverse (230130300121012), we get a palindrome (440251303152044).

The spelling of 210121003031032 in words is "two hundred ten trillion, one hundred twenty-one billion, three million, thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 19 38 41 76 82 152 164 328 779 1558 3116 6232 39239 78478 156956 313912 745541 859259 1491082 1608799 1718518 2982164 3217598 3437036 5964328 6435196 6874072 12870392 16325921 30567181 32651842 35229619 61134362 65303684 70459238 122268724 130607368 140918476 244537448 281836952 669362761 1338725522 2677451044 5354902088 33716463901 67432927802 134865855604 269731711208 640612814119 1281225628238 1382375019941 2562451256476 2764750039882 5124902512952 5529500079764 11059000159528 26265125378879 52530250757758 105060501515516 210121003031032