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103021404406 = 280997765171
BaseRepresentation
bin101111111110010001…
…1011110000011110110
3100211220201221120220121
41133330203132003312
53141441434420111
6115154414122154
710304652326464
oct1377443360366
9324821846817
10103021404406
113a766995a38
1217b717b035a
13993a7796bb
144db4439834
152a2e60a871
hex17fc8de0f6

103021404406 has 16 divisors (see below), whose sum is σ = 154883864880. Its totient is φ = 51393583360.

The previous prime is 103021404389. The next prime is 103021404407. The reversal of 103021404406 is 604404120301.

It is a super-2 number, since 2×1030214044062 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021404407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548201 + ... + 1613371.

It is an arithmetic number, because the mean of its divisors is an integer number (9680241555).

Almost surely, 2103021404406 is an apocalyptic number.

103021404406 is a deficient number, since it is larger than the sum of its proper divisors (51862460474).

103021404406 is an equidigital number, since it uses as much as digits as its factorization.

103021404406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66959.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 103021404406 its reverse (604404120301), we get a palindrome (707425524707).

The spelling of 103021404406 in words is "one hundred three billion, twenty-one million, four hundred four thousand, four hundred six".

Divisors: 1 2 809 977 1618 1954 65171 130342 790393 1580786 52723339 63672067 105446678 127344134 51510702203 103021404406