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10301230123 = 47219175109
BaseRepresentation
bin10011001100000000…
…00100110000101011
3222120220120201011121
421212000010300223
5132044103330443
64422103040111
7513163003612
oct114600046053
928526521147
1010301230123
114406859728
121bb5a40037
13c82229152
146da176879
154045614ed
hex266004c2b

10301230123 has 4 divisors (see below), whose sum is σ = 10520405280. Its totient is φ = 10082054968.

The previous prime is 10301230081. The next prime is 10301230183. The reversal of 10301230123 is 32103210301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32103210301 = 87736605713.

It is a cyclic number.

It is not a de Polignac number, because 10301230123 - 221 = 10299132971 is a prime.

It is a super-2 number, since 2×103012301232 (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10301230097 and 10301230106.

It is not an unprimeable number, because it can be changed into a prime (10301230183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109587508 + ... + 109587601.

It is an arithmetic number, because the mean of its divisors is an integer number (2630101320).

Almost surely, 210301230123 is an apocalyptic number.

10301230123 is a deficient number, since it is larger than the sum of its proper divisors (219175157).

10301230123 is an equidigital number, since it uses as much as digits as its factorization.

10301230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219175156.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10301230123 its reverse (32103210301), we get a palindrome (42404440424).

The spelling of 10301230123 in words is "ten billion, three hundred one million, two hundred thirty thousand, one hundred twenty-three".

Divisors: 1 47 219175109 10301230123