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67142525286 = 2319158588591
BaseRepresentation
bin111110100010000000…
…011010000101100110
320102022021111200110210
4332202000122011212
52100001441302121
650502253200250
74564566022404
oct764200320546
9212267450423
1067142525286
1126525229021
1211019a90086
136440445a05
14336d310474
151b2e821876
hexfa201a166

67142525286 has 16 divisors (see below), whose sum is σ = 134988115968. Its totient is φ = 22263664200.

The previous prime is 67142525273. The next prime is 67142525327. The reversal of 67142525286 is 68252524176.

It is a super-2 number, since 2×671425252862 (a number of 22 digits) contains 22 as substring.

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, 29293150 + ... + 29295441.

It is an arithmetic number, because the mean of its divisors is an integer number (8436757248).

Almost surely, 267142525286 is an apocalyptic number.

67142525286 is an abundant number, since it is smaller than the sum of its proper divisors (67845590682).

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

67142525286 is a wasteful number, since it uses less digits than its factorization.

67142525286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58588787.

The product of its digits is 1612800, while the sum is 48.

The spelling of 67142525286 in words is "sixty-seven billion, one hundred forty-two million, five hundred twenty-five thousand, two hundred eighty-six".

Divisors: 1 2 3 6 191 382 573 1146 58588591 117177182 175765773 351531546 11190420881 22380841762 33571262643 67142525286