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7138682475505 = 5723311312183681
BaseRepresentation
bin110011111100001101010…
…1000100001001111110001
3221021110012001111200021221
41213320122220201033301
51413430010203204010
623103244312145041
71334516130600220
oct147703250411761
927243161450257
107138682475505
112302553174869
12973636398181
133ca237257c19
141a972a8a0cb7
15c5a6091cdda
hex67e1aa213f1

7138682475505 has 64 divisors (see below), whose sum is σ = 10625901428736. Its totient is φ = 4496633856000.

The previous prime is 7138682475497. The next prime is 7138682475539. The reversal of 7138682475505 is 5055742868317.

It is a happy number.

It is not a de Polignac number, because 7138682475505 - 23 = 7138682475497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2177265 + ... + 4360945.

It is an arithmetic number, because the mean of its divisors is an integer number (166029709824).

Almost surely, 27138682475505 is an apocalyptic number.

It is an amenable number.

7138682475505 is a deficient number, since it is larger than the sum of its proper divisors (3487218953231).

7138682475505 is a wasteful number, since it uses less digits than its factorization.

7138682475505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183878.

The product of its (nonzero) digits is 56448000, while the sum is 61.

The spelling of 7138682475505 in words is "seven trillion, one hundred thirty-eight billion, six hundred eighty-two million, four hundred seventy-five thousand, five hundred five".

Divisors: 1 5 7 23 31 35 115 131 155 161 217 655 713 805 917 1085 3013 3565 4061 4585 4991 15065 20305 21091 24955 28427 93403 105455 142135 467015 653821 2183681 3269105 10918405 15285767 50224663 67694111 76428835 251123315 286062211 338470555 351572641 473858777 1430311055 1556964553 1757863205 2002435477 2369293885 6579430853 7784822765 8867928541 10012177385 10898751871 32897154265 44339642705 46056015971 54493759355 62075499787 203962356443 230280079855 310377498935 1019811782215 1427736495101 7138682475505