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100330312220 = 225371093373691
BaseRepresentation
bin101110101110000100…
…1110001001000011100
3100120222012011221102122
41131130021301020130
53120434024442340
6114031402442112
710151164403615
oct1353411611034
9316865157378
10100330312220
1139605933606
1217540503338
1395cc091668
144bdac84c0c
152923234db5
hex175c27121c

100330312220 has 96 divisors (see below), whose sum is σ = 219080621760. Its totient is φ = 38563983360.

The previous prime is 100330312217. The next prime is 100330312261. The reversal of 100330312220 is 22213033001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27180575 + ... + 27184265.

It is an arithmetic number, because the mean of its divisors is an integer number (2282089810).

Almost surely, 2100330312220 is an apocalyptic number.

100330312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100330312220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109540310880).

100330312220 is an abundant number, since it is smaller than the sum of its proper divisors (118750309540).

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

100330312220 is a wasteful number, since it uses less digits than its factorization.

100330312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183 (or 4181 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100330312220 its reverse (22213033001), we get a palindrome (122543345221).

The spelling of 100330312220 in words is "one hundred billion, three hundred thirty million, three hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 37 74 109 148 185 218 337 370 436 545 674 740 1090 1348 1685 2180 3370 3691 4033 6740 7382 8066 12469 14764 16132 18455 20165 24938 36733 36910 40330 49876 62345 73466 73820 80660 124690 136567 146932 183665 249380 273134 367330 402319 546268 682835 734660 804638 1243867 1359121 1365670 1609276 2011595 2487734 2718242 2731340 4023190 4975468 5436484 6219335 6795605 8046380 12438670 13591210 14885803 24877340 27182420 29771606 46023079 59543212 74429015 92046158 135581503 148858030 184092316 230115395 271163006 297716060 460230790 542326012 677907515 920461580 1355815030 2711630060 5016515611 10033031222 20066062444 25082578055 50165156110 100330312220