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30691450924992 = 2632112131721931199
BaseRepresentation
bin1101111101001111010010…
…00001111010111111000000
311000200001222222121011000100
412332213221001322333000
513010322042414044432
6145135242524122400
76315245523312624
oct676475101727700
9130601888534010
1030691450924992
119863197a17100
123538260996400
13141826468a910
1478168d0d9184
1538354d57707c
hex1be9e907afc0

30691450924992 has 3024 divisors, whose sum is σ = 120802269952000. Its totient is φ = 7370602905600.

The previous prime is 30691450924991. The next prime is 30691450925039. The reversal of 30691450924992 is 29942905419603.

30691450924992 is a `hidden beast` number, since 3 + 0 + 6 + 9 + 1 + 4 + 50 + 92 + 499 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30691450924991) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 154228396509 + ... + 154228396707.

Almost surely, 230691450924992 is an apocalyptic number.

30691450924992 is a gapful number since it is divisible by the number (32) 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 30691450924992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60401134976000).

30691450924992 is an abundant number, since it is smaller than the sum of its proper divisors (90110819027008).

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

30691450924992 is a wasteful number, since it uses less digits than its factorization.

30691450924992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 30691450924992 in words is "thirty trillion, six hundred ninety-one billion, four hundred fifty million, nine hundred twenty-four thousand, nine hundred ninety-two".