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1213000010242 = 25441111468481
BaseRepresentation
bin10001101001101100011…
…011110100101000000010
311021221222001112001111021
4101221230123310220002
5124333211000311432
62325124451540054
7153431161652356
oct21515433645002
94257861461437
101213000010242
11428480979209
121771072ba62a
138a501991267
14429d0c97466
1521846140697
hex11a6c6f4a02

1213000010242 has 8 divisors (see below), whose sum is σ = 1819834437132. Its totient is φ = 606388531200.

The previous prime is 1213000010237. The next prime is 1213000010267. The reversal of 1213000010242 is 2420100003121.

It can be written as a sum of positive squares in 2 ways, for example, as 1154290235641 + 58709774601 = 1074379^2 + 242301^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55723359 + ... + 55745122.

Almost surely, 21213000010242 is an apocalyptic number.

1213000010242 is a deficient number, since it is larger than the sum of its proper divisors (606834426890).

1213000010242 is a wasteful number, since it uses less digits than its factorization.

1213000010242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111473924.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1213000010242 its reverse (2420100003121), we get a palindrome (3633100013363).

The spelling of 1213000010242 in words is "one trillion, two hundred thirteen billion, ten thousand, two hundred forty-two".

Divisors: 1 2 5441 10882 111468481 222936962 606500005121 1213000010242