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11031021210000 = 243541183402739
BaseRepresentation
bin1010000010000101110000…
…0110011100100110010000
31110001112222211112102110010
42200201130012130212100
52421213012412210000
635243325311434520
72215651663131651
oct240413406344620
943045884472403
1011031021210000
113573258993150
1212a1a76825a40
136202b424140c
142a1c9348d528
15141e1eca3d50
hexa085c19c990

11031021210000 has 400 divisors, whose sum is σ = 39314976180480. Its totient is φ = 2641961280000.

The previous prime is 11031021209983. The next prime is 11031021210043. The reversal of 11031021210000 is 1212013011.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 27188631 + ... + 27591369.

Almost surely, 211031021210000 is an apocalyptic number.

11031021210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031021210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19657488090240).

11031021210000 is an abundant number, since it is smaller than the sum of its proper divisors (28283954970480).

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

11031021210000 is a wasteful number, since it uses less digits than its factorization.

11031021210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402864 (or 402843 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11031021210000 its reverse (1212013011), we get a palindrome (11032233223011).

The spelling of 11031021210000 in words is "eleven trillion, thirty-one billion, twenty-one million, two hundred ten thousand".