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121030310 = 2517241879
BaseRepresentation
bin1110011011011…
…00011010100110
322102201222101002
413031230122212
5221440432220
620002033302
72666512022
oct715543246
9272658332
10121030310
1162355955
1234648832
131c0c7b8b
1412107382
15a95ac75
hex736c6a6

121030310 has 24 divisors (see below), whose sum is σ = 231428880. Its totient is φ = 45563264.

The previous prime is 121030309. The next prime is 121030331. The reversal of 121030310 is 13030121.

It is a super-2 number, since 2×1210303102 = 29296671877392200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121030291 and 121030300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18050 + ... + 23829.

It is an arithmetic number, because the mean of its divisors is an integer number (9642870).

Almost surely, 2121030310 is an apocalyptic number.

121030310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030310 is a deficient number, since it is larger than the sum of its proper divisors (110398570).

121030310 is a wasteful number, since it uses less digits than its factorization.

121030310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41920 (or 41903 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 121030310 is about 11001.3776410048. The cubic root of 121030310 is about 494.6500400258.

Adding to 121030310 its reverse (13030121), we get a palindrome (134060431).

The spelling of 121030310 in words is "one hundred twenty-one million, thirty thousand, three hundred ten".

Divisors: 1 2 5 10 17 34 85 170 289 578 1445 2890 41879 83758 209395 418790 711943 1423886 3559715 7119430 12103031 24206062 60515155 121030310