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68743047158 = 2299343126857
BaseRepresentation
bin100000000000101100…
…1111010011111110110
320120102211011121201122
41000001121322133312
52111241210002113
651325150023542
74652342155052
oct1000131723766
9216384147648
1068743047158
1127176726875
12113a5aa7bb2
136636c02186
143481adcc62
151bc50c5408
hex100167a7f6

68743047158 has 16 divisors (see below), whose sum is σ = 106682503680. Its totient is φ = 33182485056.

The previous prime is 68743047137. The next prime is 68743047199. The reversal of 68743047158 is 85174034786.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478466 + ... + 605322.

It is an arithmetic number, because the mean of its divisors is an integer number (6667656480).

Almost surely, 268743047158 is an apocalyptic number.

68743047158 is a deficient number, since it is larger than the sum of its proper divisors (37939456522).

68743047158 is a wasteful number, since it uses less digits than its factorization.

68743047158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136231.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 68743047158 in words is "sixty-eight billion, seven hundred forty-three million, forty-seven thousand, one hundred fifty-eight".

Divisors: 1 2 29 58 9343 18686 126857 253714 270947 541894 3678853 7357706 1185224951 2370449902 34371523579 68743047158