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61131110 = 256113111
BaseRepresentation
bin1110100100110…
…0100101100110
311021000210010012
43221030211212
5111122143420
610022130222
71341414545
oct351144546
9137023105
1061131110
1131563787
1218580972
13c884a71
14819415c
155577dc5
hex3a4c966

61131110 has 8 divisors (see below), whose sum is σ = 110036016. Its totient is φ = 24452440.

The previous prime is 61131097. The next prime is 61131137. The reversal of 61131110 is 1113116.

61131110 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 Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056546 + ... + 3056565.

It is an arithmetic number, because the mean of its divisors is an integer number (13754502).

Almost surely, 261131110 is an apocalyptic number.

61131110 is a deficient number, since it is larger than the sum of its proper divisors (48904906).

61131110 is a wasteful number, since it uses less digits than its factorization.

61131110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113118.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 61131110 is about 7818.6386283035. The cubic root of 61131110 is about 393.9315460794.

Adding to 61131110 its reverse (1113116), we get a palindrome (62244226).

The spelling of 61131110 in words is "sixty-one million, one hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 5 10 6113111 12226222 30565555 61131110