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43680662715131 = 133360050978087
BaseRepresentation
bin10011110111010001100100…
…11000100111101011111011
312201122211102111011211111122
421323220302120213223323
521211130444123341011
6232522341444015455
712125552353652411
oct1173506230475373
9181584374154448
1043680662715131
1112a10957394082
124a9573169158b
131b4b0b82732b0
14ab02264212b1
1550b37aa573db
hex27ba32627afb

43680662715131 has 4 divisors (see below), whose sum is σ = 47040713693232. Its totient is φ = 40320611737032.

The previous prime is 43680662715073. The next prime is 43680662715143. The reversal of 43680662715131 is 13151726608634.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-43680662715131 is a prime.

It is a super-3 number, since 3×436806627151313 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43680662715631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680025489031 + ... + 1680025489056.

It is an arithmetic number, because the mean of its divisors is an integer number (11760178423308).

Almost surely, 243680662715131 is an apocalyptic number.

43680662715131 is a deficient number, since it is larger than the sum of its proper divisors (3360050978101).

43680662715131 is a wasteful number, since it uses less digits than its factorization.

43680662715131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360050978100.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 43680662715131 in words is "forty-three trillion, six hundred eighty billion, six hundred sixty-two million, seven hundred fifteen thousand, one hundred thirty-one".

Divisors: 1 13 3360050978087 43680662715131