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121311002 = 2298112579
BaseRepresentation
bin1110011101100…
…00111100011010
322110021020102002
413032300330122
5222023423002
620012041002
73002061251
oct716607432
9273236362
10121311002
116252782a
1234763162
131c195877
141217b798
15a9b4002
hex73b0f1a

121311002 has 16 divisors (see below), whose sum is σ = 188546400. Its totient is φ = 58469040.

The previous prime is 121310989. The next prime is 121311007. The reversal of 121311002 is 200113121.

It is not an unprimeable number, because it can be changed into a prime (121311007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45749 + ... + 48327.

It is an arithmetic number, because the mean of its divisors is an integer number (11784150).

Almost surely, 2121311002 is an apocalyptic number.

121311002 is a deficient number, since it is larger than the sum of its proper divisors (67235398).

121311002 is a wasteful number, since it uses less digits than its factorization.

121311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121311002 is about 11014.1273825937. The cubic root of 121311002 is about 495.0321402115.

Adding to 121311002 its reverse (200113121), we get a palindrome (321424123).

The spelling of 121311002 in words is "one hundred twenty-one million, three hundred eleven thousand, two".

Divisors: 1 2 29 58 811 1622 2579 5158 23519 47038 74791 149582 2091569 4183138 60655501 121311002