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2002122103 = 3425358451
BaseRepresentation
bin111011101010101…
…1111010101110111
312011112100100012111
41313111133111313
513100020401403
6530400231451
7100420520452
oct16725372567
95145310174
102002122103
11938166a73
1247a60b587
1325ba3b247
1414dc8c499
15bab8156d
hex7755f577

2002122103 has 4 divisors (see below), whose sum is σ = 2002214808. Its totient is φ = 2002029400.

The previous prime is 2002122049. The next prime is 2002122139. The reversal of 2002122103 is 3012212002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2002122103 - 229 = 1465251191 is a prime.

It is a super-2 number, since 2×20021221032 = 8016985830642285218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002122173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5028 + ... + 63478.

It is an arithmetic number, because the mean of its divisors is an integer number (500553702).

Almost surely, 22002122103 is an apocalyptic number.

2002122103 is a deficient number, since it is larger than the sum of its proper divisors (92705).

2002122103 is an equidigital number, since it uses as much as digits as its factorization.

2002122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92704.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2002122103 is about 44745.0790925661. The cubic root of 2002122103 is about 1260.3665060880.

Adding to 2002122103 its reverse (3012212002), we get a palindrome (5014334105).

It can be divided in two parts, 2002122 and 103, that added together give a square (2002225 = 14152).

The spelling of 2002122103 in words is "two billion, two million, one hundred twenty-two thousand, one hundred three".

Divisors: 1 34253 58451 2002122103