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123103101130 = 2517724135889
BaseRepresentation
bin111001010100110000…
…1000100000011001010
3102202202021012110222221
41302221201010003022
54004103343214010
6132315222404254
711615416044322
oct1625141040312
9382667173887
10123103101130
1148231544a09
121ba36b9068a
13b7bb059a99
145d5b50a282
153307612dda
hex1ca98440ca

123103101130 has 16 divisors (see below), whose sum is σ = 234620028360. Its totient is φ = 46344696832.

The previous prime is 123103101127. The next prime is 123103101133. The reversal of 123103101130 is 31101301321.

It is an interprime number because it is at equal distance from previous prime (123103101127) and next prime (123103101133).

It can be written as a sum of positive squares in 4 ways, for example, as 111527277849 + 11575823281 = 333957^2 + 107591^2 .

It is not an unprimeable number, because it can be changed into a prime (123103101133) 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, 362067775 + ... + 362068114.

Almost surely, 2123103101130 is an apocalyptic number.

123103101130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123103101130 is a deficient number, since it is larger than the sum of its proper divisors (111516927230).

123103101130 is a wasteful number, since it uses less digits than its factorization.

123103101130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724135913.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 123103101130 its reverse (31101301321), we get a palindrome (154204402451).

The spelling of 123103101130 in words is "one hundred twenty-three billion, one hundred three million, one hundred one thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 724135889 1448271778 3620679445 7241358890 12310310113 24620620226 61551550565 123103101130