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100420103105 = 574366724321
BaseRepresentation
bin101110110000110000…
…0010010101111000001
3100121012110010210100222
41131201200102233001
53121130021244410
6114044331152425
710153334535620
oct1354140225701
9317173123328
10100420103105
1139651591853
12175665a5715
13961486c36a
144c08b796b7
15292b06e955
hex1761812bc1

100420103105 has 16 divisors (see below), whose sum is σ = 140921768064. Its totient is φ = 67258114560.

The previous prime is 100420103101. The next prime is 100420103107. The reversal of 100420103105 is 501301024001.

It is not a de Polignac number, because 100420103105 - 22 = 100420103101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100420103101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33360656 + ... + 33363665.

It is an arithmetic number, because the mean of its divisors is an integer number (8807610504).

Almost surely, 2100420103105 is an apocalyptic number.

It is an amenable number.

100420103105 is a deficient number, since it is larger than the sum of its proper divisors (40501664959).

100420103105 is an equidigital number, since it uses as much as digits as its factorization.

100420103105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66724376.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 100420103105 its reverse (501301024001), we get a palindrome (601721127106).

The spelling of 100420103105 in words is "one hundred billion, four hundred twenty million, one hundred three thousand, one hundred five".

Divisors: 1 5 7 35 43 215 301 1505 66724321 333621605 467070247 2335351235 2869145803 14345729015 20084020621 100420103105