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7850007138837 = 316316053184333
BaseRepresentation
bin111001000111011100011…
…1000110001001000010101
31000210110020111100120122010
41302032320320301020111
52012103303311420322
624410124332254433
71440100331510013
oct162167070611025
930713214316563
107850007138837
112557195420656
12a69473611419
1344c338974186
141d1d29c298b3
15d92e3ce620c
hex723b8e31215

7850007138837 has 8 divisors (see below), whose sum is σ = 10530888923104. Its totient is φ = 5201231723568.

The previous prime is 7850007138767. The next prime is 7850007138839. The reversal of 7850007138837 is 7388317000587.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7850007138837 - 214 = 7850007122453 is a prime.

It is a super-2 number, since 2×78500071388372 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7850007138839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8026591678 + ... + 8026592655.

It is an arithmetic number, because the mean of its divisors is an integer number (1316361115388).

Almost surely, 27850007138837 is an apocalyptic number.

It is an amenable number.

7850007138837 is a deficient number, since it is larger than the sum of its proper divisors (2680881784267).

7850007138837 is a wasteful number, since it uses less digits than its factorization.

7850007138837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16053184499.

The product of its (nonzero) digits is 7902720, while the sum is 57.

The spelling of 7850007138837 in words is "seven trillion, eight hundred fifty billion, seven million, one hundred thirty-eight thousand, eight hundred thirty-seven".

Divisors: 1 3 163 489 16053184333 48159552999 2616669046279 7850007138837