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68010955 = 537336467
BaseRepresentation
bin1000000110111…
…00001111001011
311201222022111021
410003130033023
5114402322310
610425413311
71454040445
oct403341713
9151868437
1068010955
1135432701
121a93a237
131112338c
149065495
155e865da
hex40dc3cb

68010955 has 8 divisors (see below), whose sum is σ = 81834192. Its totient is φ = 54261408.

The previous prime is 68010953. The next prime is 68010967. The reversal of 68010955 is 55901086.

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

It is a cyclic number.

It is not a de Polignac number, because 68010955 - 21 = 68010953 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 68010955.

It is not an unprimeable number, because it can be changed into a prime (68010953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16369 + ... + 20098.

It is an arithmetic number, because the mean of its divisors is an integer number (10229274).

Almost surely, 268010955 is an apocalyptic number.

68010955 is a deficient number, since it is larger than the sum of its proper divisors (13823237).

68010955 is a wasteful number, since it uses less digits than its factorization.

68010955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36845.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 68010955 is about 8246.8754689276. The cubic root of 68010955 is about 408.1874279028.

The spelling of 68010955 in words is "sixty-eight million, ten thousand, nine hundred fifty-five".

Divisors: 1 5 373 1865 36467 182335 13602191 68010955