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102301444100 = 22521023014441
BaseRepresentation
bin101111101000110100…
…1000010100000000100
3100210001120012211001002
41133101221002200010
53134003132202400
6114555134552432
710251060633032
oct1372151024004
9323046184032
10102301444100
113a427553119
12179b0668718
13985456bc9b
144d46987552
1529db2e3ed5
hex17d1a42804

102301444100 has 18 divisors (see below), whose sum is σ = 221994133914. Its totient is φ = 40920577600.

The previous prime is 102301444067. The next prime is 102301444159. The reversal of 102301444100 is 1444103201.

It can be written as a sum of positive squares in 3 ways, for example, as 7014397504 + 95287046596 = 83752^2 + 308686^2 .

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, 511507121 + ... + 511507320.

Almost surely, 2102301444100 is an apocalyptic number.

102301444100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102301444100 is an abundant number, since it is smaller than the sum of its proper divisors (119692689814).

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

102301444100 is a wasteful number, since it uses less digits than its factorization.

102301444100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023014455 (or 1023014448 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102301444100 its reverse (1444103201), we get a palindrome (103745547301).

The spelling of 102301444100 in words is "one hundred two billion, three hundred one million, four hundred forty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1023014441 2046028882 4092057764 5115072205 10230144410 20460288820 25575361025 51150722050 102301444100