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139054378851359 = 661210369710819
BaseRepresentation
bin11111100111100000011110…
…110110110001110000011111
3200020100110122202012222112222
4133213200132312301300133
5121211231331441220414
61211424411052015555
741201230065116216
oct3747403666616037
9606313582188488
10139054378851359
11403416a37a3224
12137198061615bb
135c78a054516aa
14264a3a6d8607d
1511121cbc7768e
hex7e781edb1c1f

139054378851359 has 4 divisors (see below), whose sum is σ = 139264748562840. Its totient is φ = 138844009139880.

The previous prime is 139054378851301. The next prime is 139054378851379. The reversal of 139054378851359 is 953158873450931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139054378851359 - 28 = 139054378851103 is a prime.

It is a super-2 number, since 2×1390543788513592 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139054378851292 and 139054378851301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139054378851379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105184854749 + ... + 105184856070.

It is an arithmetic number, because the mean of its divisors is an integer number (34816187140710).

Almost surely, 2139054378851359 is an apocalyptic number.

139054378851359 is a deficient number, since it is larger than the sum of its proper divisors (210369711481).

139054378851359 is an equidigital number, since it uses as much as digits as its factorization.

139054378851359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210369711480.

The product of its (nonzero) digits is 489888000, while the sum is 71.

The spelling of 139054378851359 in words is "one hundred thirty-nine trillion, fifty-four billion, three hundred seventy-eight million, eight hundred fifty-one thousand, three hundred fifty-nine".

Divisors: 1 661 210369710819 139054378851359