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121310000302 = 2192263638857
BaseRepresentation
bin111000011111010100…
…0111011010010101110
3102121010022011112002011
41300332220323102232
53441420330002202
6131421250151434
711523113663161
oct1607650732256
9377108145064
10121310000302
11474a13727a7
121b61658257a
13b59371408a
145c2b30bad8
15324eebdbd7
hex1c3ea3b4ae

121310000302 has 24 divisors (see below), whose sum is σ = 192776679216. Its totient is φ = 57244053024.

The previous prime is 121310000257. The next prime is 121310000303. The reversal of 121310000302 is 203000013121.

It is a super-2 number, since 2×1213100003022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310000303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129543 + ... + 509314.

It is an arithmetic number, because the mean of its divisors is an integer number (8032361634).

Almost surely, 2121310000302 is an apocalyptic number.

121310000302 is a deficient number, since it is larger than the sum of its proper divisors (71466678914).

121310000302 is a wasteful number, since it uses less digits than its factorization.

121310000302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639160 (or 639141 counting only the distinct ones).

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

Adding to 121310000302 its reverse (203000013121), we get a palindrome (324310013423).

The spelling of 121310000302 in words is "one hundred twenty-one billion, three hundred ten million, three hundred two", and thus it is an aban number.

Divisors: 1 2 19 38 263 361 526 722 4997 9994 94943 189886 638857 1277714 12138283 24276566 168019391 230627377 336038782 461254754 3192368429 6384736858 60655000151 121310000302