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61013123 = 195360589
BaseRepresentation
bin1110100010111…
…1110010000011
311020210210021022
43220233302003
5111104404443
610015420055
71340413553
oct350576203
9136723238
1061013123
1131493076
121852462b
13c843152
148163163
155552e68
hex3a2fc83

61013123 has 8 divisors (see below), whose sum is σ = 65437200. Its totient is φ = 56710368.

The previous prime is 61013101. The next prime is 61013131. The reversal of 61013123 is 32131016.

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 61013123 - 26 = 61013059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61013143) 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, 29288 + ... + 31301.

It is an arithmetic number, because the mean of its divisors is an integer number (8179650).

Almost surely, 261013123 is an apocalyptic number.

61013123 is a deficient number, since it is larger than the sum of its proper divisors (4424077).

61013123 is a wasteful number, since it uses less digits than its factorization.

61013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60661.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 61013123 is about 7811.0897447155. The cubic root of 61013123 is about 393.6779450580.

Adding to 61013123 its reverse (32131016), we get a palindrome (93144139).

The spelling of 61013123 in words is "sixty-one million, thirteen thousand, one hundred twenty-three".

Divisors: 1 19 53 1007 60589 1151191 3211217 61013123