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61123103 = 319672039
BaseRepresentation
bin1110100100101…
…0101000011111
311021000101010122
43221022220133
5111121414403
610022025155
71341352316
oct351125037
9137011118
1061123103
1131558768
12185781bb
13c881222
14819127d
155575838
hex3a4aa1f

61123103 has 8 divisors (see below), whose sum is σ = 63191040. Its totient is φ = 59061240.

The previous prime is 61123099. The next prime is 61123141. The reversal of 61123103 is 30132116.

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 61123103 - 22 = 61123099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61123163) 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, 28958 + ... + 30996.

It is an arithmetic number, because the mean of its divisors is an integer number (7898880).

Almost surely, 261123103 is an apocalyptic number.

61123103 is a deficient number, since it is larger than the sum of its proper divisors (2067937).

61123103 is a wasteful number, since it uses less digits than its factorization.

61123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037.

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

The square root of 61123103 is about 7818.1265658724. The cubic root of 61123103 is about 393.9143461757.

Adding to 61123103 its reverse (30132116), we get a palindrome (91255219).

The spelling of 61123103 in words is "sixty-one million, one hundred twenty-three thousand, one hundred three".

Divisors: 1 31 967 2039 29977 63209 1971713 61123103