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67873541144 = 23232912719929
BaseRepresentation
bin111111001101100101…
…000000110000011000
320111012020001010201012
4333031211000300120
52103001111304034
651103005313052
74621653403103
oct771545006030
9214166033635
1067873541144
112686a932062
12111a2865788
136528a24586
1433dc43d73a
151b73abdcce
hexfcd940c18

67873541144 has 32 divisors (see below), whose sum is σ = 137375244000. Its totient is φ = 31341902592.

The previous prime is 67873541137. The next prime is 67873541161. The reversal of 67873541144 is 44114537876.

It is a junction number, because it is equal to n+sod(n) for n = 67873541092 and 67873541101.

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, 6354629 + ... + 6365300.

It is an arithmetic number, because the mean of its divisors is an integer number (4292976375).

Almost surely, 267873541144 is an apocalyptic number.

It is an amenable number.

67873541144 is an abundant number, since it is smaller than the sum of its proper divisors (69501702856).

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

67873541144 is a wasteful number, since it uses less digits than its factorization.

67873541144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12719987 (or 12719983 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 50.

The spelling of 67873541144 in words is "sixty-seven billion, eight hundred seventy-three million, five hundred forty-one thousand, one hundred forty-four".