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1300002180 = 223521666703
BaseRepresentation
bin100110101111100…
…0111010110000100
310100121011221201220
41031133013112010
510130300032210
6332555320340
744133556551
oct11537072604
93317157656
101300002180
116078a9974
123034500b0
13179438c79
14c4921a28
15791e0c70
hex4d7c7584

1300002180 has 24 divisors (see below), whose sum is σ = 3640006272. Its totient is φ = 346667232.

The previous prime is 1300002167. The next prime is 1300002181. The reversal of 1300002180 is 812000031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1300002181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10833292 + ... + 10833411.

It is an arithmetic number, because the mean of its divisors is an integer number (151666928).

Almost surely, 21300002180 is an apocalyptic number.

1300002180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300002180 is an abundant number, since it is smaller than the sum of its proper divisors (2340004092).

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

1300002180 is a wasteful number, since it uses less digits than its factorization.

1300002180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21666715 (or 21666713 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1300002180 is about 36055.5429857879. The cubic root of 1300002180 is about 1091.3934931214.

The spelling of 1300002180 in words is "one billion, three hundred million, two thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 21666703 43333406 65000109 86666812 108333515 130000218 216667030 260000436 325000545 433334060 650001090 1300002180