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30012203121202 = 21923122509280297
BaseRepresentation
bin1101101001011110000101…
…01101001011101000110010
310221021010202001000112202001
412310233002231023220302
512413204442444334302
6143455225450244214
76215211241250101
oct664570255135062
9127233661015661
1030012203121202
119621116277695
12344869612666a
1313991a56b1923
1475a853d60038
15370a462bd787
hex1b4bc2b4ba32

30012203121202 has 32 divisors (see below), whose sum is σ = 49448603491200. Its totient is φ = 13598046937728.

The previous prime is 30012203121161. The next prime is 30012203121209. The reversal of 30012203121202 is 20212130221003.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 30012203121202.

It is not an unprimeable number, because it can be changed into a prime (30012203121209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106932718 + ... + 107213014.

It is an arithmetic number, because the mean of its divisors is an integer number (1545268859100).

Almost surely, 230012203121202 is an apocalyptic number.

30012203121202 is a deficient number, since it is larger than the sum of its proper divisors (19436400369998).

30012203121202 is a wasteful number, since it uses less digits than its factorization.

30012203121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402850.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30012203121202 its reverse (20212130221003), we get a palindrome (50224333342205).

The spelling of 30012203121202 in words is "thirty trillion, twelve billion, two hundred three million, one hundred twenty-one thousand, two hundred two".

Divisors: 1 2 19 23 38 46 437 874 122509 245018 280297 560594 2327671 2817707 4655342 5325643 5635414 6446831 10651286 12893662 53536433 107072866 122489789 244979578 34338905173 68677810346 652439198287 789794818979 1304878396574 1579589637958 15006101560601 30012203121202