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123033441151020 = 223589491165728319
BaseRepresentation
bin11011111110010111110100…
…100011100010100000101100
3121010121212211001110210112110
4123332113310203202200230
5112111234441413313040
61113400441012204020
734625605236425331
oct3376276443424054
9533555731423473
10123033441151020
113622520a066684
1211970856609610
1353860082251aa
142254bc9410988
15e355aeb58980
hex6fe5f48e282c

123033441151020 has 192 divisors, whose sum is σ = 349296850022400. Its totient is φ = 32353527951360.

The previous prime is 123033441151003. The next prime is 123033441151031. The reversal of 123033441151020 is 20151144330321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4344540421 + ... + 4344568739.

It is an arithmetic number, because the mean of its divisors is an integer number (1819254427200).

Almost surely, 2123033441151020 is an apocalyptic number.

123033441151020 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 123033441151020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174648425011200).

123033441151020 is an abundant number, since it is smaller than the sum of its proper divisors (226263408871380).

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

123033441151020 is a wasteful number, since it uses less digits than its factorization.

123033441151020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30568 (or 30566 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 123033441151020 its reverse (20151144330321), we get a palindrome (143184585481341).

The spelling of 123033441151020 in words is "one hundred twenty-three trillion, thirty-three billion, four hundred forty-one million, one hundred fifty-one thousand, twenty".