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131235304065030 = 2325117914423116341
BaseRepresentation
bin11101110101101110011001…
…101011100100100000000110
3122012122222020222112201111100
4131311232121223210200012
5114200124400320040110
61143040355535120530
736433303114051014
oct3565563153444006
9565588228481440
10131235304065030
11388a7641935970
1212876345973146
13582c5890859a9
142459b733438b4
151028ae8877bc0
hex775b99ae4806

131235304065030 has 192 divisors, whose sum is σ = 376972204677120. Its totient is φ = 31409454585600.

The previous prime is 131235304065011. The next prime is 131235304065071. The reversal of 131235304065030 is 30560403532131.

131235304065030 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 530 + 40 + 6 + 50 + 30 = 666.

It is a Curzon number.

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, 1127964660 + ... + 1128081000.

It is an arithmetic number, because the mean of its divisors is an integer number (1963396899360).

Almost surely, 2131235304065030 is an apocalyptic number.

131235304065030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131235304065030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188486102338560).

131235304065030 is an abundant number, since it is smaller than the sum of its proper divisors (245736900612090).

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

131235304065030 is a wasteful number, since it uses less digits than its factorization.

131235304065030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130867 (or 130864 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 131235304065030 its reverse (30560403532131), we get a palindrome (161795707597161).

The spelling of 131235304065030 in words is "one hundred thirty-one trillion, two hundred thirty-five billion, three hundred four million, sixty-five thousand, thirty".