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611032820431 = 11202927377249
BaseRepresentation
bin10001110010001000110…
…01001110101011001111
32011102011221001101220011
420321010121032223033
540002343400223211
61144412105534051
762100651164155
oct10710431165317
92142157041804
10611032820431
11216157108910
129a5097a4327
134580a606817
14218076593d5
1510d63741921
hex8e4464eacf

611032820431 has 8 divisors (see below), whose sum is σ = 666909810000. Its totient is φ = 555210589440.

The previous prime is 611032820401. The next prime is 611032820471. The reversal of 611032820431 is 134028230116.

611032820431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 611032820431 - 213 = 611032812239 is a prime.

It is a super-2 number, since 2×6110328204312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 611032820393 and 611032820402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611032820401) 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, 13666306 + ... + 13710943.

It is an arithmetic number, because the mean of its divisors is an integer number (83363726250).

Almost surely, 2611032820431 is an apocalyptic number.

611032820431 is a deficient number, since it is larger than the sum of its proper divisors (55876989569).

611032820431 is a wasteful number, since it uses less digits than its factorization.

611032820431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27379289.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 611032820431 in words is "six hundred eleven billion, thirty-two million, eight hundred twenty thousand, four hundred thirty-one".

Divisors: 1 11 2029 22319 27377249 301149739 55548438221 611032820431