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68796374974 = 2233103348193
BaseRepresentation
bin100000000010010010…
…1010101111110111110
320120120112111221201221
41000010211111332332
52111343332444344
651334333023554
74653560352535
oct1000445257676
9216515457657
1068796374974
11271a383a848
12113bb924bba
136644c841b2
143488c2131c
151bc9b0b184
hex1004955fbe

68796374974 has 16 divisors (see below), whose sum is σ = 107686986912. Its totient is φ = 32900871168.

The previous prime is 68796374891. The next prime is 68796374987. The reversal of 68796374974 is 47947369786.

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, 1403422 + ... + 1451614.

It is an arithmetic number, because the mean of its divisors is an integer number (6730436682).

Almost surely, 268796374974 is an apocalyptic number.

68796374974 is a deficient number, since it is larger than the sum of its proper divisors (38890611938).

68796374974 is a wasteful number, since it uses less digits than its factorization.

68796374974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79251.

The product of its digits is 384072192, while the sum is 70.

The spelling of 68796374974 in words is "sixty-eight billion, seven hundred ninety-six million, three hundred seventy-four thousand, nine hundred seventy-four".

Divisors: 1 2 23 46 31033 48193 62066 96386 713759 1108439 1427518 2216878 1495573369 2991146738 34398187487 68796374974