Search a number
-
+
21132313011000 = 23325353269316451
BaseRepresentation
bin1001100111000010000000…
…00000101010001100111000
32202211020012020011022100200
410303201000000222030320
510232212434112323000
6112540014531402200
74310521262556402
oct463410000521470
982736166138320
1021132313011000
11680818885a4a4
122453700a53360
13ba39cb703459
14530b49027b72
15269a77552500
hex13384002a338

21132313011000 has 384 divisors, whose sum is σ = 72806350443840. Its totient is φ = 5526568320000.

The previous prime is 21132313010989. The next prime is 21132313011011. The reversal of 21132313011000 is 11031323112.

21132313011000 is a `hidden beast` number, since 21 + 13 + 231 + 301 + 100 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (21132313010989) and next prime (21132313011011).

It is a super-2 number, since 2×211323130110002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1284552775 + ... + 1284569225.

Almost surely, 221132313011000 is an apocalyptic number.

21132313011000 is a gapful number since it is divisible by the number (20) 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 21132313011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36403175221920).

21132313011000 is an abundant number, since it is smaller than the sum of its proper divisors (51674037432840).

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

21132313011000 is a wasteful number, since it uses less digits than its factorization.

21132313011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19224 (or 19207 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21132313011000 its reverse (11031323112), we get a palindrome (21143344334112).

The spelling of 21132313011000 in words is "twenty-one trillion, one hundred thirty-two billion, three hundred thirteen million, eleven thousand".