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1213301142102 = 2373589553519
BaseRepresentation
bin10001101001111110011…
…000100011001001010110
311021222202001011010202010
4101221332120203021112
5124334320043021402
62325214410125050
7153441506355000
oct21517630431126
94258661133663
101213301142102
11428615956015
12177190120786
138a54c1972aa
1442a1cc83370
15218627c4a6c
hex11a7e623256

1213301142102 has 32 divisors (see below), whose sum is σ = 2829856896000. Its totient is φ = 346657468584.

The previous prime is 1213301142007. The next prime is 1213301142121. The reversal of 1213301142102 is 2012411033121.

It is a super-2 number, since 2×12133011421022 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294774702 + ... + 294778817.

It is an arithmetic number, because the mean of its divisors is an integer number (88433028000).

Almost surely, 21213301142102 is an apocalyptic number.

1213301142102 is an abundant number, since it is smaller than the sum of its proper divisors (1616555753898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213301142102 is an equidigital number, since it uses as much as digits as its factorization.

1213301142102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589553545 (or 589553531 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1213301142102 its reverse (2012411033121), we get a palindrome (3225712175223).

The spelling of 1213301142102 in words is "one trillion, two hundred thirteen billion, three hundred one million, one hundred forty-two thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 589553519 1179107038 1768660557 3537321114 4126874633 8253749266 12380623899 24761247798 28888122431 57776244862 86664367293 173328734586 202216857017 404433714034 606650571051 1213301142102