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1210002119979 = 34770589121571
BaseRepresentation
bin10001100110111001101…
…111110001110100101011
311021200020010110110011120
4101212321233301310223
5124311041020314404
62323511200430323
7153263660214462
oct21467157616453
94250203413146
101210002119979
11427182719954
1217660b3183a3
138a1448680b3
14427c8a7d9d9
152171cd669d9
hex119b9bf1d2b

1210002119979 has 16 divisors (see below), whose sum is σ = 1647699356160. Its totient is φ = 789487250720.

The previous prime is 1210002119951. The next prime is 1210002120001. The reversal of 1210002119979 is 9799112000121.

It is a cyclic number.

It is not a de Polignac number, because 1210002119979 - 217 = 1210001988907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210002119979.

It is not an unprimeable number, because it can be changed into a prime (1210002119939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9892264 + ... + 10013834.

It is an arithmetic number, because the mean of its divisors is an integer number (102981209760).

Almost surely, 21210002119979 is an apocalyptic number.

1210002119979 is a deficient number, since it is larger than the sum of its proper divisors (437697236181).

1210002119979 is a wasteful number, since it uses less digits than its factorization.

1210002119979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192210.

The product of its (nonzero) digits is 20412, while the sum is 42.

The spelling of 1210002119979 in words is "one trillion, two hundred ten billion, two million, one hundred nineteen thousand, nine hundred seventy-nine".

Divisors: 1 3 47 141 70589 121571 211767 364713 3317683 5713837 9953049 17141511 8581575319 25744725957 403334039993 1210002119979