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11311213002 = 231885202167
BaseRepresentation
bin10101000100011001…
…10110100111001010
31002012022001011012220
422202030312213022
5141131132304002
65110222314510
7550205503245
oct124214664712
932168034186
1011311213002
114884980821
122238128a36
1310b355015b
1479436225c
154630657bc
hex2a23369ca

11311213002 has 8 divisors (see below), whose sum is σ = 22622426016. Its totient is φ = 3770404332.

The previous prime is 11311212977. The next prime is 11311213013. The reversal of 11311213002 is 20031211311.

It is a happy number.

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

11311213002 is an admirable number.

It is a super-2 number, since 2×113112130022 (a number of 21 digits) contains 22 as substring.

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, 942601078 + ... + 942601089.

It is an arithmetic number, because the mean of its divisors is an integer number (2827803252).

Almost surely, 211311213002 is an apocalyptic number.

11311213002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11311213002 is a wasteful number, since it uses less digits than its factorization.

11311213002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885202172.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11311213002 its reverse (20031211311), we get a palindrome (31342424313).

The spelling of 11311213002 in words is "eleven billion, three hundred eleven million, two hundred thirteen thousand, two".

Divisors: 1 2 3 6 1885202167 3770404334 5655606501 11311213002