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23021133030 = 2325736541481
BaseRepresentation
bin10101011100001010…
…101001110011100110
32012102101022201122200
4111130022221303212
5334121402224110
614324210435330
71443325254630
oct253412516346
965371281580
1023021133030
119843913a85
124565892b46
13222b57b20c
14118562da50
158eb0d66c0
hex55c2a9ce6

23021133030 has 48 divisors (see below), whose sum is σ = 68405654304. Its totient is φ = 5261973120.

The previous prime is 23021133029. The next prime is 23021133043. The reversal of 23021133030 is 3033112032.

23021133030 is a `hidden beast` number, since 2 + 302 + 1 + 1 + 330 + 30 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 23021132994 and 23021133012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18270111 + ... + 18271370.

It is an arithmetic number, because the mean of its divisors is an integer number (1425117798).

Almost surely, 223021133030 is an apocalyptic number.

23021133030 is an abundant number, since it is smaller than the sum of its proper divisors (45384521274).

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

23021133030 is a wasteful number, since it uses less digits than its factorization.

23021133030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36541501 (or 36541498 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23021133030 its reverse (3033112032), we get a palindrome (26054245062).

The spelling of 23021133030 in words is "twenty-three billion, twenty-one million, one hundred thirty-three thousand, thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 36541481 73082962 109624443 182707405 219248886 255790367 328873329 365414810 511580734 548122215 657746658 767371101 1096244430 1278951835 1534742202 1644366645 2302113303 2557903670 3288733290 3836855505 4604226606 7673711010 11510566515 23021133030