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340881623481 = 3716232458261
BaseRepresentation
bin1001111010111100010…
…00001100100110111001
31012120212121220200022010
410331132020030212321
521041111143422411
6420333204120133
733425235664110
oct4753610144671
91176777820263
10340881623481
11121626876093
1256094696049
13261b6742369
14126da844c77
158d017927a6
hex4f5e20c9b9

340881623481 has 8 divisors (see below), whose sum is σ = 519438664384. Its totient is φ = 194789499120.

The previous prime is 340881623443. The next prime is 340881623483. The reversal of 340881623481 is 184326188043.

340881623481 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340881623481 - 219 = 340881099193 is a prime.

It is a super-2 number, since 2×3408816234812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340881623481.

It is not an unprimeable number, because it can be changed into a prime (340881623483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8116229110 + ... + 8116229151.

It is an arithmetic number, because the mean of its divisors is an integer number (64929833048).

Almost surely, 2340881623481 is an apocalyptic number.

It is an amenable number.

340881623481 is a deficient number, since it is larger than the sum of its proper divisors (178557040903).

340881623481 is a wasteful number, since it uses less digits than its factorization.

340881623481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16232458271.

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 340881623481 in words is "three hundred forty billion, eight hundred eighty-one million, six hundred twenty-three thousand, four hundred eighty-one".

Divisors: 1 3 7 21 16232458261 48697374783 113627207827 340881623481