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103123681 = 295960271
BaseRepresentation
bin1100010010110…
…00101011100001
321012001020002121
412021120223201
5202344424211
614122144241
72361352063
oct611305341
9235036077
10103123681
1153235391
122a652081
131849853b
14d9a5733
1590c0271
hex6258ae1

103123681 has 8 divisors (see below), whose sum is σ = 108489600. Its totient is φ = 97878480.

The previous prime is 103123679. The next prime is 103123721. The reversal of 103123681 is 186321301.

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

It is not a de Polignac number, because 103123681 - 21 = 103123679 is a prime.

It is a super-2 number, since 2×1031236812 = 21268987165979522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103123661) 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, 28425 + ... + 31846.

It is an arithmetic number, because the mean of its divisors is an integer number (13561200).

Almost surely, 2103123681 is an apocalyptic number.

It is an amenable number.

103123681 is a deficient number, since it is larger than the sum of its proper divisors (5365919).

103123681 is an equidigital number, since it uses as much as digits as its factorization.

103123681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60359.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 103123681 is about 10154.9830625166. The cubic root of 103123681 is about 468.9423645197.

Adding to 103123681 its reverse (186321301), we get a palindrome (289444982).

The spelling of 103123681 in words is "one hundred three million, one hundred twenty-three thousand, six hundred eighty-one".

Divisors: 1 29 59 1711 60271 1747859 3555989 103123681