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7138142546844 = 223594845212237
BaseRepresentation
bin110011111011111101001…
…1100110110101110011100
3221021101210102112110102010
41213313322130312232130
51413422403442444334
623103114543431220
71334466553353201
oct147677234665634
927241712473363
107138142546844
1123022a6416431
129735055b5510
133ca17c4328ca
141a96b8cb3ca8
15c5a2d3190e9
hex67dfa736b9c

7138142546844 has 12 divisors (see below), whose sum is σ = 16655665942664. Its totient is φ = 2379380848944.

The previous prime is 7138142546813. The next prime is 7138142546879. The reversal of 7138142546844 is 4486452418317.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297422606107 + ... + 297422606130.

Almost surely, 27138142546844 is an apocalyptic number.

It is an amenable number.

7138142546844 is an abundant number, since it is smaller than the sum of its proper divisors (9517523395820).

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

7138142546844 is a wasteful number, since it uses less digits than its factorization.

7138142546844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594845212244 (or 594845212242 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 57.

The spelling of 7138142546844 in words is "seven trillion, one hundred thirty-eight billion, one hundred forty-two million, five hundred forty-six thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 594845212237 1189690424474 1784535636711 2379380848948 3569071273422 7138142546844