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7913201213011 = 193449690717483
BaseRepresentation
bin111001100100110111110…
…0011000001111001010011
31001000111100121011011102211
41303021233203001321103
52014122214002304021
624455135140452551
71444465334334223
oct163115743017123
931014317134384
107913201213011
112580a73873936
12a7976b0aa157
1345529a076883
141d50029a4083
15dac91b763e1
hex7326f8c1e53

7913201213011 has 16 divisors (see below), whose sum is σ = 8333783568000. Its totient is φ = 7493029668288.

The previous prime is 7913201212999. The next prime is 7913201213023. The reversal of 7913201213011 is 1103121023197.

It is an interprime number because it is at equal distance from previous prime (7913201212999) and next prime (7913201213023).

It is a cyclic number.

It is not a de Polignac number, because 7913201213011 - 25 = 7913201212979 is a prime.

It is a super-2 number, since 2×79132012130112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7913201213051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452613876 + ... + 452631358.

It is an arithmetic number, because the mean of its divisors is an integer number (520861473000).

Almost surely, 27913201213011 is an apocalyptic number.

7913201213011 is a deficient number, since it is larger than the sum of its proper divisors (420582354989).

7913201213011 is a wasteful number, since it uses less digits than its factorization.

7913201213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27858.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 7913201213011 in words is "seven trillion, nine hundred thirteen billion, two hundred one million, two hundred thirteen thousand, eleven".

Divisors: 1 19 3449 6907 17483 65531 131233 332177 23822243 60298867 120755081 452622617 1145678473 2294346539 416484274369 7913201213011