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10302021200 = 245225755053
BaseRepresentation
bin10011001100000110…
…00101111001010000
3222120222001220022202
421212003011321100
5132044304134300
64422132022332
7513202510142
oct114603057120
928528056282
1010302021200
11440724a009
121bb61619a8
13c82445243
146da300c92
1540466aad5
hex2660c5e50

10302021200 has 30 divisors (see below), whose sum is σ = 24750606894. Its totient is φ = 4120808320.

The previous prime is 10302021187. The next prime is 10302021209. The reversal of 10302021200 is 212020301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 94556176 + 10207465024 = 9724^2 + 101032^2 .

It is a super-2 number, since 2×103020212002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302021209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12877127 + ... + 12877926.

Almost surely, 210302021200 is an apocalyptic number.

10302021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302021200 is an abundant number, since it is smaller than the sum of its proper divisors (14448585694).

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

10302021200 is a wasteful number, since it uses less digits than its factorization.

10302021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25755071 (or 25755060 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10302021200 its reverse (212020301), we get a palindrome (10514041501).

The spelling of 10302021200 in words is "ten billion, three hundred two million, twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 25755053 51510106 103020212 128775265 206040424 257550530 412080848 515101060 643876325 1030202120 1287752650 2060404240 2575505300 5151010600 10302021200