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7138757883 = 3487812
BaseRepresentation
bin1101010011000000…
…01100110011111011
3200102111211110211010
412221200030303323
5104110010223013
63140212205003
7341622304125
oct65140146373
920374743733
107138757883
113033708504
121472909763
13899c99aba
144ba15a215
152bbac77c3
hex1a980ccfb

7138757883 has 6 divisors (see below), whose sum is σ = 9518538972. Its totient is φ = 4759074360.

The previous prime is 7138757869. The next prime is 7138757953. The reversal of 7138757883 is 3887578317.

It is a happy number.

It is not a de Polignac number, because 7138757883 - 229 = 6601886971 is a prime.

It is a super-2 number, since 2×71387578832 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7138757863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121953 + ... + 170733.

It is an arithmetic number, because the mean of its divisors is an integer number (1586423162).

Almost surely, 27138757883 is an apocalyptic number.

7138757883 is a deficient number, since it is larger than the sum of its proper divisors (2379781089).

7138757883 is an frugal number, since it uses more digits than its factorization.

7138757883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97565 (or 48784 counting only the distinct ones).

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

The square root of 7138757883 is about 84491.1704440174. The cubic root of 7138757883 is about 1925.4883009753.

The spelling of 7138757883 in words is "seven billion, one hundred thirty-eight million, seven hundred fifty-seven thousand, eight hundred eighty-three".

Divisors: 1 3 48781 146343 2379585961 7138757883