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68272852443 = 341555063841
BaseRepresentation
bin111111100101011000…
…010000110111011011
320112020001102020211120
4333211120100313123
52104310322234233
651210352100323
74634602446015
oct774530206733
9215201366746
1068272852443
1126a552775a4
12112945346a3
136590684553
1434394a51b5
151b98b984b3
hexfe5610ddb

68272852443 has 8 divisors (see below), whose sum is σ = 93250725456. Its totient is φ = 44405107200.

The previous prime is 68272852433. The next prime is 68272852457. The reversal of 68272852443 is 34425827286.

It is a happy number.

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

It is not a de Polignac number, because 68272852443 - 224 = 68256075227 is a prime.

It is a super-2 number, since 2×682728524432 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68272852433) 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, 277531798 + ... + 277532043.

It is an arithmetic number, because the mean of its divisors is an integer number (11656340682).

Almost surely, 268272852443 is an apocalyptic number.

68272852443 is a deficient number, since it is larger than the sum of its proper divisors (24977873013).

68272852443 is a wasteful number, since it uses less digits than its factorization.

68272852443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555063885.

The product of its digits is 5160960, while the sum is 51.

The spelling of 68272852443 in words is "sixty-eight billion, two hundred seventy-two million, eight hundred fifty-two thousand, four hundred forty-three".

Divisors: 1 3 41 123 555063841 1665191523 22757617481 68272852443