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68562385041 = 3171344360491
BaseRepresentation
bin111111110110101000…
…101111100010010001
320112222020020000220010
4333312220233202101
52110403432310131
651255213505133
74645016441253
oct776650574221
9215866200803
1068562385041
1127093751737
12113554a21a9
136608658b07
143465b11cd3
151bb42dab46
hexff6a2f891

68562385041 has 8 divisors (see below), whose sum is σ = 96793955424. Its totient is φ = 43019535680.

The previous prime is 68562384991. The next prime is 68562385079. The reversal of 68562385041 is 14058326586.

It is a happy number.

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 68562385041 - 29 = 68562384529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68562335041) 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, 672180195 + ... + 672180296.

It is an arithmetic number, because the mean of its divisors is an integer number (12099244428).

Almost surely, 268562385041 is an apocalyptic number.

It is an amenable number.

68562385041 is a deficient number, since it is larger than the sum of its proper divisors (28231570383).

68562385041 is a wasteful number, since it uses less digits than its factorization.

68562385041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344360511.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 68562385041 in words is "sixty-eight billion, five hundred sixty-two million, three hundred eighty-five thousand, forty-one".

Divisors: 1 3 17 51 1344360491 4033081473 22854128347 68562385041