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103100322020 = 2255155016101
BaseRepresentation
bin110000000000101000…
…0100001000011100100
3100212010020110000112012
41200001100201003210
53142122140301040
6115210313413352
710306631164133
oct1400120410344
9325106400465
10103100322020
113a7a7497a03
1217b9410a258
139950c1b207
144dc0add91a
152a364e8865
hex18014210e4

103100322020 has 12 divisors (see below), whose sum is σ = 216510676284. Its totient is φ = 41240128800.

The previous prime is 103100322011. The next prime is 103100322113. The reversal of 103100322020 is 20223001301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76915256896 + 26185065124 = 277336^2 + 161818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103100321986 and 103100322004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2577508031 + ... + 2577508070.

It is an arithmetic number, because the mean of its divisors is an integer number (18042556357).

Almost surely, 2103100322020 is an apocalyptic number.

103100322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103100322020 is an abundant number, since it is smaller than the sum of its proper divisors (113410354264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103100322020 is a wasteful number, since it uses less digits than its factorization.

103100322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155016110 (or 5155016108 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 103100322020 its reverse (20223001301), we get a palindrome (123323323321).

The spelling of 103100322020 in words is "one hundred three billion, one hundred million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 5155016101 10310032202 20620064404 25775080505 51550161010 103100322020