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102002000130 = 23254909230873
BaseRepresentation
bin101111011111111001…
…0110000000100000010
3100202021200202111010200
41132333302300010002
53132400003001010
6114505320510030
710240463460402
oct1367762600402
9322250674120
10102002000130
113a293519468
121792831b316
1398075072c4
144d18cba802
1529bed94cc0
hex17bfcb0102

102002000130 has 48 divisors (see below), whose sum is σ = 265260373560. Its totient is φ = 27194874624.

The previous prime is 102002000117. The next prime is 102002000141. The reversal of 102002000130 is 31000200201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 101542283649 + 459716481 = 318657^2 + 21441^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326374 + ... + 557246.

Almost surely, 2102002000130 is an apocalyptic number.

102002000130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102002000130 is an abundant number, since it is smaller than the sum of its proper divisors (163258373430).

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

102002000130 is a wasteful number, since it uses less digits than its factorization.

102002000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235795 (or 235792 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 102002000130 its reverse (31000200201), we get a palindrome (133002200331).

The spelling of 102002000130 in words is "one hundred two billion, two million, one hundred thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 4909 9818 14727 24545 29454 44181 49090 73635 88362 147270 220905 230873 441810 461746 692619 1154365 1385238 2077857 2308730 3463095 4155714 6926190 10389285 20778570 1133355557 2266711114 3400066671 5666777785 6800133342 10200200013 11333555570 17000333355 20400400026 34000666710 51001000065 102002000130