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1301102989 = 53233105361
BaseRepresentation
bin100110110001101…
…0100000110001101
310100200020212202121
41031203110012031
510131040243424
6333035052541
744146123114
oct11543240615
93320225677
101301102989
11608490a2a
123038a1151
13179733034
14c4b2ac7b
157935bee4
hex4d8d418d

1301102989 has 8 divisors (see below), whose sum is σ = 1331354232. Its totient is φ = 1271063040.

The previous prime is 1301102941. The next prime is 1301103019. The reversal of 1301102989 is 9892011031.

It can be written as a sum of positive squares in 4 ways, for example, as 361190025 + 939912964 = 19005^2 + 30658^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301102989 - 27 = 1301102861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301102909) 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, 40332 + ... + 65029.

It is an arithmetic number, because the mean of its divisors is an integer number (166419279).

Almost surely, 21301102989 is an apocalyptic number.

It is an amenable number.

1301102989 is a deficient number, since it is larger than the sum of its proper divisors (30251243).

1301102989 is a wasteful number, since it uses less digits than its factorization.

1301102989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105647.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1301102989 is about 36070.8052169618. The cubic root of 1301102989 is about 1091.7014610228.

The spelling of 1301102989 in words is "one billion, three hundred one million, one hundred two thousand, nine hundred eighty-nine".

Divisors: 1 53 233 12349 105361 5584133 24549113 1301102989