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101210103 = 3212379091
BaseRepresentation
bin1100000100001…
…01011111110111
321001110000011100
412002011133313
5201402210403
614013141143
72336162121
oct602053767
9231400140
10101210103
1152148715
1229a8a7b3
1317c78547
14d628211
158d432a3
hex60857f7

101210103 has 12 divisors (see below), whose sum is σ = 146326648. Its totient is φ = 67411440.

The previous prime is 101210101. The next prime is 101210107. The reversal of 101210103 is 301012101.

It is not a de Polignac number, because 101210103 - 21 = 101210101 is a prime.

It is a super-4 number, since 4×1012101034 (a number of 33 digits) contains 4444 as substring.

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

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6588 + ... + 15678.

Almost surely, 2101210103 is an apocalyptic number.

101210103 is a deficient number, since it is larger than the sum of its proper divisors (45116545).

101210103 is a wasteful number, since it uses less digits than its factorization.

101210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10334 (or 10331 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 101210103 is about 10060.3232055436. The cubic root of 101210103 is about 466.0236484649.

Adding to 101210103 its reverse (301012101), we get a palindrome (402222204).

The spelling of 101210103 in words is "one hundred one million, two hundred ten thousand, one hundred three".

Divisors: 1 3 9 1237 3711 9091 11133 27273 81819 11245567 33736701 101210103