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121310036 = 2231396893
BaseRepresentation
bin1110011101100…
…00101101010100
322110021012002022
413032300231110
5222023410121
620012032312
73002055401
oct716605524
9273235068
10121310036
1162527031
1234762698
131c1952b3
141217b2a8
15a9b3aab
hex73b0b54

121310036 has 12 divisors (see below), whose sum is σ = 212973012. Its totient is φ = 60460608.

The previous prime is 121309997. The next prime is 121310069. The reversal of 121310036 is 630013121.

It can be written as a sum of positive squares in 2 ways, for example, as 14394436 + 106915600 = 3794^2 + 10340^2 .

It is a super-2 number, since 2×1213100362 = 29432249668642592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121309996 and 121310023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47195 + ... + 49698.

It is an arithmetic number, because the mean of its divisors is an integer number (17747751).

Almost surely, 2121310036 is an apocalyptic number.

It is an amenable number.

121310036 is a deficient number, since it is larger than the sum of its proper divisors (91662976).

121310036 is a wasteful number, since it uses less digits than its factorization.

121310036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97210 (or 97208 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 121310036 is about 11014.0835297359. The cubic root of 121310036 is about 495.0308262270.

Adding to 121310036 its reverse (630013121), we get a palindrome (751323157).

The spelling of 121310036 in words is "one hundred twenty-one million, three hundred ten thousand, thirty-six".

Divisors: 1 2 4 313 626 1252 96893 193786 387572 30327509 60655018 121310036