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67411351340 = 22519177398293
BaseRepresentation
bin111110110010000001…
…111001011100101100
320110000000100110111022
4332302001321130230
52101024301220330
650545055113312
74604342014004
oct766201713454
9213000313438
1067411351340
1126652a50013
1211093b12838
13648404a398
143396ccb004
151b48223ae5
hexfb207972c

67411351340 has 24 divisors (see below), whose sum is σ = 149014566960. Its totient is φ = 25545354048.

The previous prime is 67411351331. The next prime is 67411351367. The reversal of 67411351340 is 4315311476.

It is a self number, because there is not a number n which added to its sum of digits gives 67411351340.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 88698767 + ... + 88699526.

It is an arithmetic number, because the mean of its divisors is an integer number (6208940290).

Almost surely, 267411351340 is an apocalyptic number.

It is an amenable number.

67411351340 is an abundant number, since it is smaller than the sum of its proper divisors (81603215620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67411351340 is a wasteful number, since it uses less digits than its factorization.

67411351340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177398321 (or 177398319 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 67411351340 in words is "sixty-seven billion, four hundred eleven million, three hundred fifty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 177398293 354796586 709593172 886991465 1773982930 3370567567 3547965860 6741135134 13482270268 16852837835 33705675670 67411351340