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68494592203 = 17194711713853
BaseRepresentation
bin111111110010100110…
…001000100011001011
320112210111122210121021
4333302212020203023
52110234103422303
651244352453311
74643234266432
oct776246104313
9215714583537
1068494592203
11270594589a4
121133684a237
1365c75b0acb
14345ab06119
151bad398ebd
hexff29888cb

68494592203 has 32 divisors (see below), whose sum is σ = 78051824640. Its totient is φ = 59706616320.

The previous prime is 68494592197. The next prime is 68494592209. The reversal of 68494592203 is 30229549486.

It is an interprime number because it is at equal distance from previous prime (68494592197) and next prime (68494592209).

It is a cyclic number.

It is not a de Polignac number, because 68494592203 - 217 = 68494461131 is a prime.

It is a super-2 number, since 2×684945922032 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68494592209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17775025 + ... + 17778877.

It is an arithmetic number, because the mean of its divisors is an integer number (2439119520).

Almost surely, 268494592203 is an apocalyptic number.

68494592203 is a deficient number, since it is larger than the sum of its proper divisors (9557232437).

68494592203 is a wasteful number, since it uses less digits than its factorization.

68494592203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 68494592203 in words is "sixty-eight billion, four hundred ninety-four million, five hundred ninety-two thousand, two hundred three".

Divisors: 1 17 19 47 323 799 893 1171 3853 15181 19907 22249 55037 65501 73207 181091 378233 935629 1045703 1244519 3078547 3440729 4511863 17776951 58492393 76701671 85725397 212057561 1457331749 3604978537 4029093659 68494592203