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100030444123 = 192564749069
BaseRepresentation
bin101110100101001000…
…1110111001001011011
3100120012021221001201211
41131022101313021123
53114330243202443
6113541531323551
710140563513611
oct1351221671133
9316167831654
10100030444123
113947163a235
1217477bb05b7
139581c0b90c
144bad1076b1
152906c5019d
hex174a47725b

100030444123 has 12 divisors (see below), whose sum is σ = 105593144160. Its totient is φ = 94746971376.

The previous prime is 100030444121. The next prime is 100030444127. The reversal of 100030444123 is 321444030001.

It is not a de Polignac number, because 100030444123 - 21 = 100030444121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100030444094 and 100030444103.

It is not an unprimeable number, because it can be changed into a prime (100030444121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2014033 + ... + 2063101.

It is an arithmetic number, because the mean of its divisors is an integer number (8799428680).

Almost surely, 2100030444123 is an apocalyptic number.

100030444123 is a deficient number, since it is larger than the sum of its proper divisors (5562700037).

100030444123 is an equidigital number, since it uses as much as digits as its factorization.

100030444123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54754 (or 54735 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 100030444123 its reverse (321444030001), we get a palindrome (421474474124).

The spelling of 100030444123 in words is "one hundred billion, thirty million, four hundred forty-four thousand, one hundred twenty-three".

Divisors: 1 19 361 5647 49069 107293 932311 2038567 17713909 277092643 5264760217 100030444123