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101131210 = 2510113121
BaseRepresentation
bin1100000011100…
…10001111001010
321001021222221101
412001302033022
5201342144320
614011332014
72335413115
oct601621712
9231258841
10101131210
11520a4414
1229a5100a
1317c4b66b
14d60757c
158d29c0a
hex60723ca

101131210 has 8 divisors (see below), whose sum is σ = 182036196. Its totient is φ = 40452480.

The previous prime is 101131201. The next prime is 101131237. The reversal of 101131210 is 12131101.

It can be written as a sum of positive squares in 2 ways, for example, as 100861849 + 269361 = 10043^2 + 519^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 10113121 = 101131210 / (1 + 0 + 1 + 1 + 3 + 1 + 2 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5056551 + ... + 5056570.

Almost surely, 2101131210 is an apocalyptic number.

101131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101131210 is a deficient number, since it is larger than the sum of its proper divisors (80904986).

101131210 is a wasteful number, since it uses less digits than its factorization.

101131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113128.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 101131210 is about 10056.4014438565. The cubic root of 101131210 is about 465.9025289332.

Adding to 101131210 its reverse (12131101), we get a palindrome (113262311).

The spelling of 101131210 in words is "one hundred one million, one hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 10113121 20226242 50565605 101131210