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103420332440 = 23529372409607
BaseRepresentation
bin110000001010001010…
…1010000100110011000
3100212221112121020021222
41200110111100212120
53143301101114230
6115302144351212
710320565215125
oct1402425204630
9325845536258
10103420332440
113a951099527
1218063315508
1399a23040a9
14501140174c
152a5465b6e5
hex1814550998

103420332440 has 64 divisors (see below), whose sum is σ = 247225780800. Its totient is φ = 38862125568.

The previous prime is 103420332409. The next prime is 103420332443. The reversal of 103420332440 is 44233024301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420332443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161884 + ... + 1247723.

It is an arithmetic number, because the mean of its divisors is an integer number (3862902825).

Almost surely, 2103420332440 is an apocalyptic number.

103420332440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103420332440 is an abundant number, since it is smaller than the sum of its proper divisors (143805448360).

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

103420332440 is a wasteful number, since it uses less digits than its factorization.

103420332440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409684 (or 2409680 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 103420332440 its reverse (44233024301), we get a palindrome (147653356741).

The spelling of 103420332440 in words is "one hundred three billion, four hundred twenty million, three hundred thirty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 29 37 40 58 74 116 145 148 185 232 290 296 370 580 740 1073 1160 1480 2146 4292 5365 8584 10730 21460 42920 2409607 4819214 9638428 12048035 19276856 24096070 48192140 69878603 89155459 96384280 139757206 178310918 279514412 349393015 356621836 445777295 559028824 698786030 713243672 891554590 1397572060 1783109180 2585508311 2795144120 3566218360 5171016622 10342033244 12927541555 20684066488 25855083110 51710166220 103420332440