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30121012313002 = 2131768147086681
BaseRepresentation
bin1101101100101000110000…
…01111010011101110101010
310221122112121010201012100201
412312110120033103232222
512422000313123004002
6144021222501022414
76226112523154402
oct666243017235652
9127575533635321
1030121012313002
119663282219996
1234657a20b4a0a
1313a65262850a0
14761c16d27802
153737b3a94087
hex1b65183d3baa

30121012313002 has 16 divisors (see below), whose sum is σ = 51519197531592. Its totient is φ = 13084240642560.

The previous prime is 30121012312969. The next prime is 30121012313003. The reversal of 30121012313002 is 20031321012103.

It can be written as a sum of positive squares in 4 ways, for example, as 23049130504401 + 7071881808601 = 4800951^2 + 2659301^2 .

It is not an unprimeable number, because it can be changed into a prime (30121012313003) 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, 34073542899 + ... + 34073543782.

Almost surely, 230121012313002 is an apocalyptic number.

30121012313002 is a deficient number, since it is larger than the sum of its proper divisors (21398185218590).

30121012313002 is a wasteful number, since it uses less digits than its factorization.

30121012313002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68147086713.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30121012313002 its reverse (20031321012103), we get a palindrome (50152333325105).

The spelling of 30121012313002 in words is "thirty trillion, one hundred twenty-one billion, twelve million, three hundred thirteen thousand, two".

Divisors: 1 2 13 17 26 34 221 442 68147086681 136294173362 885912126853 1158500473577 1771824253706 2317000947154 15060506156501 30121012313002