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1213210331002 = 24712906492883
BaseRepresentation
bin10001101001111000111…
…110001000011101111010
311021222111201021110100001
4101221320332020131322
5124334123321043002
62325201403503214
7153436324443415
oct21517076103572
94258451243301
101213210331002
1142857967031a
12177165827b0a
138a536420107
1442a10ba4b7c
1521859837a87
hex11a78f8877a

1213210331002 has 8 divisors (see below), whose sum is σ = 1858534975296. Its totient is φ = 593698672572.

The previous prime is 1213210330993. The next prime is 1213210331009. The reversal of 1213210331002 is 2001330123121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1213210331009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6453246348 + ... + 6453246535.

It is an arithmetic number, because the mean of its divisors is an integer number (232316871912).

Almost surely, 21213210331002 is an apocalyptic number.

1213210331002 is a deficient number, since it is larger than the sum of its proper divisors (645324644294).

1213210331002 is a wasteful number, since it uses less digits than its factorization.

1213210331002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12906492932.

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

Adding to 1213210331002 its reverse (2001330123121), we get a palindrome (3214540454123).

The spelling of 1213210331002 in words is "one trillion, two hundred thirteen billion, two hundred ten million, three hundred thirty-one thousand, two".

Divisors: 1 2 47 94 12906492883 25812985766 606605165501 1213210331002