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103212102 = 23729101839
BaseRepresentation
bin1100010011011…
…10010001000110
321012012201101110
412021232101012
5202410241402
614124105450
72362200630
oct611562106
9235181343
10103212102
1153295864
122a695286
13184c9866
14d9c9a50
1590db56c
hex626e446

103212102 has 64 divisors (see below), whose sum is σ = 246758400. Its totient is φ = 28156800.

The previous prime is 103212071. The next prime is 103212103. The reversal of 103212102 is 201212301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122599 + ... + 123437.

It is an arithmetic number, because the mean of its divisors is an integer number (3855600).

Almost surely, 2103212102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103212102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123379200).

103212102 is an abundant number, since it is smaller than the sum of its proper divisors (143546298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103212102 is a wasteful number, since it uses less digits than its factorization.

103212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 103212102 is about 10159.3357066296. The cubic root of 103212102 is about 469.0763541367.

Adding to 103212102 its reverse (201212301), we get a palindrome (304424403).

The spelling of 103212102 in words is "one hundred three million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 29 42 58 87 101 174 202 203 303 406 606 609 707 839 1218 1414 1678 2121 2517 2929 4242 5034 5858 5873 8787 11746 17574 17619 20503 24331 35238 41006 48662 61509 72993 84739 123018 145986 169478 170317 254217 340634 508434 510951 593173 1021902 1186346 1779519 2457431 3559038 4914862 7372293 14744586 17202017 34404034 51606051 103212102