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122130310 = 25291512789
BaseRepresentation
bin1110100011110…
…00111110000110
322111210212021211
413101320332012
5222231132220
620041402034
73012043021
oct721707606
9274725254
10122130310
1162a37345
1234a9931a
131c3c1773
14123121b8
15aac6b5a
hex7478f86

122130310 has 32 divisors (see below), whose sum is σ = 229003200. Its totient is φ = 46838400.

The previous prime is 122130289. The next prime is 122130343. The reversal of 122130310 is 13031221.

It is a super-2 number, since 2×1221303102 = 29831625241392200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42396 + ... + 45184.

It is an arithmetic number, because the mean of its divisors is an integer number (7156350).

Almost surely, 2122130310 is an apocalyptic number.

122130310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122130310 is a deficient number, since it is larger than the sum of its proper divisors (106872890).

122130310 is a wasteful number, since it uses less digits than its factorization.

122130310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 122130310 is about 11051.2582993974. The cubic root of 122130310 is about 496.1440869761.

Adding to 122130310 its reverse (13031221), we get a palindrome (135161531).

The spelling of 122130310 in words is "one hundred twenty-two million, one hundred thirty thousand, three hundred ten".

Divisors: 1 2 5 10 29 58 145 151 290 302 755 1510 2789 4379 5578 8758 13945 21895 27890 43790 80881 161762 404405 421139 808810 842278 2105695 4211390 12213031 24426062 61065155 122130310