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11000213431 = 431072390831
BaseRepresentation
bin10100011111010100…
…11110111110110111
31001101121211202000021
422033222132332313
5140012023312211
65015312430011
7536411162044
oct121752367667
931347752007
1011000213431
114735374189
12216bb48307
131063ca083c
14764d281cb
15445ad2771
hex28fa9efb7

11000213431 has 8 divisors (see below), whose sum is σ = 11361233664. Its totient is φ = 10643975160.

The previous prime is 11000213429. The next prime is 11000213453. The reversal of 11000213431 is 13431200011.

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

It is a cyclic number.

It is not a de Polignac number, because 11000213431 - 21 = 11000213429 is a prime.

It is a super-2 number, since 2×110002134312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000213461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190815 + ... + 1200016.

It is an arithmetic number, because the mean of its divisors is an integer number (1420154208).

Almost surely, 211000213431 is an apocalyptic number.

11000213431 is a deficient number, since it is larger than the sum of its proper divisors (361020233).

11000213431 is a wasteful number, since it uses less digits than its factorization.

11000213431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390981.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11000213431 its reverse (13431200011), we get a palindrome (24431413442).

The spelling of 11000213431 in words is "eleven billion, two hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 43 107 4601 2390831 102805733 255818917 11000213431