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67081086110420 = 22529594311333447
BaseRepresentation
bin11110100000010100010000…
…10011110000101011010100
322210111220000020011200202022
433100022020103300223110
532243024031021013140
6354400343040432312
720062306563654134
oct1720121023605324
9283456006150668
1067081086110420
111a412a24344348
127634920018698
132b579473384c5
14127ca55a6cac4
157b4dedcb10b5
hex3d02884f0ad4

67081086110420 has 24 divisors (see below), whose sum is σ = 140870769266304. Its totient is φ = 26832341409056.

The previous prime is 67081086110417. The next prime is 67081086110431. The reversal of 67081086110420 is 2401168018076.

It is a super-2 number, since 2×670810861104202 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 252137 + ... + 11585583.

It is an arithmetic number, because the mean of its divisors is an integer number (5869615386096).

Almost surely, 267081086110420 is an apocalyptic number.

It is an amenable number.

67081086110420 is an abundant number, since it is smaller than the sum of its proper divisors (73789683155884).

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

67081086110420 is a wasteful number, since it uses less digits than its factorization.

67081086110420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11629399 (or 11629397 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 67081086110420 in words is "sixty-seven trillion, eighty-one billion, eighty-six million, one hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 295943 591886 1183772 1479715 2959430 5918860 11333447 22666894 45333788 56667235 113334470 226668940 3354054305521 6708108611042 13416217222084 16770271527605 33540543055210 67081086110420