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103331021020 = 22513143989839
BaseRepresentation
bin110000000111100000…
…0100100000011011100
3100212201022112202001121
41200033000210003130
53143110220133040
6115245234220324
710315432121023
oct1401700440334
9325638482047
10103331021020
113a905738537
12180394246a4
1399899636b6
1450035d38ba
152a4b8b8c4a
hex180f0240dc

103331021020 has 48 divisors (see below), whose sum is σ = 219152102400. Its totient is φ = 40923005760.

The previous prime is 103331021011. The next prime is 103331021153. The reversal of 103331021020 is 20120133301.

It is a junction number, because it is equal to n+sod(n) for n = 103331020985 and 103331021003.

It is a congruent number.

It is an unprimeable number.

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, 1105261 + ... + 1195099.

It is an arithmetic number, because the mean of its divisors is an integer number (4565668800).

Almost surely, 2103331021020 is an apocalyptic number.

103331021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103331021020 is an abundant number, since it is smaller than the sum of its proper divisors (115821081380).

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

103331021020 is a wasteful number, since it uses less digits than its factorization.

103331021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90418 (or 90416 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 103331021020 its reverse (20120133301), we get a palindrome (123451154321).

The spelling of 103331021020 in words is "one hundred three billion, three hundred thirty-one million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 131 262 439 524 655 878 1310 1756 2195 2620 4390 8780 57509 89839 115018 179678 230036 287545 359356 449195 575090 898390 1150180 1796780 11768909 23537818 39439321 47075636 58844545 78878642 117689090 157757284 197196605 235378180 394393210 788786420 5166551051 10333102102 20666204204 25832755255 51665510510 103331021020