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68223501426 = 2311370583571
BaseRepresentation
bin111111100010011100…
…000000010001110010
320112002121112221222010
4333202130000101302
52104210204021201
651201430223350
74633433123343
oct774234002162
9215077487863
1068223501426
1126a2a42a433
121127bab4b56
136583395672
143432ada0ca
151b9469abd6
hexfe2700472

68223501426 has 8 divisors (see below), whose sum is σ = 136447002864. Its totient is φ = 22741167140.

The previous prime is 68223501421. The next prime is 68223501491. The reversal of 68223501426 is 62410532286.

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

68223501426 is an admirable number.

It is a super-2 number, since 2×682235014262 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68223501421) 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, 5685291780 + ... + 5685291791.

It is an arithmetic number, because the mean of its divisors is an integer number (17055875358).

Almost surely, 268223501426 is an apocalyptic number.

68223501426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68223501426 is a wasteful number, since it uses less digits than its factorization.

68223501426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11370583576.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 68223501426 in words is "sixty-eight billion, two hundred twenty-three million, five hundred one thousand, four hundred twenty-six".

Divisors: 1 2 3 6 11370583571 22741167142 34111750713 68223501426