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102323404100 = 22521023234041
BaseRepresentation
bin101111101001011110…
…0110011110101000100
3100210010002112111111102
41133102330303311010
53134024242412400
6115001241355232
710251445404251
oct1372274636504
9323102474442
10102323404100
113a438991a85
12179b7a98b18
139858c8a578
144d49862428
1529dd1d09d5
hex17d2f33d44

102323404100 has 18 divisors (see below), whose sum is σ = 222041787114. Its totient is φ = 40929361600.

The previous prime is 102323404097. The next prime is 102323404121. The reversal of 102323404100 is 1404323201.

It can be written as a sum of positive squares in 3 ways, for example, as 34519410436 + 67803993664 = 185794^2 + 260392^2 .

It is a super-2 number, since 2×1023234041002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511616921 + ... + 511617120.

Almost surely, 2102323404100 is an apocalyptic number.

102323404100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102323404100 is an abundant number, since it is smaller than the sum of its proper divisors (119718383014).

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

102323404100 is a wasteful number, since it uses less digits than its factorization.

102323404100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023234055 (or 1023234048 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102323404100 its reverse (1404323201), we get a palindrome (103727727301).

The spelling of 102323404100 in words is "one hundred two billion, three hundred twenty-three million, four hundred four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1023234041 2046468082 4092936164 5116170205 10232340410 20464680820 25580851025 51161702050 102323404100