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103122011 = 4115711601
BaseRepresentation
bin1100010010110…
…00010001011011
321012001010210202
412021120101123
5202344401021
614122132415
72361344156
oct611302133
9235033722
10103122011
1153234103
122a65110b
1318497855
14d9a4c9d
1590bea0b
hex625845b

103122011 has 8 divisors (see below), whose sum is σ = 105770448. Its totient is φ = 100480000.

The previous prime is 103121989. The next prime is 103122031. The reversal of 103122011 is 110221301.

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 103122011 - 222 = 98927707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103121983 and 103122001.

It is not an unprimeable number, because it can be changed into a prime (103122031) 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, 63611 + ... + 65211.

It is an arithmetic number, because the mean of its divisors is an integer number (13221306).

Almost surely, 2103122011 is an apocalyptic number.

103122011 is a deficient number, since it is larger than the sum of its proper divisors (2648437).

103122011 is a wasteful number, since it uses less digits than its factorization.

103122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 103122011 is about 10154.9008365419. The cubic root of 103122011 is about 468.9398331322.

Adding to 103122011 its reverse (110221301), we get a palindrome (213343312).

The spelling of 103122011 in words is "one hundred three million, one hundred twenty-two thousand, eleven".

Divisors: 1 41 1571 1601 64411 65641 2515171 103122011