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2100231330 = 235294874957
BaseRepresentation
bin111110100101110…
…1111110010100010
312102100221210202120
41331023233302202
513300124400310
6544223125110
7103021446261
oct17513576242
95370853676
102100231330
1198858697a
124a7443796
1327616c242
1415cd0a5d8
15c45b0b70
hex7d2efca2

2100231330 has 64 divisors (see below), whose sum is σ = 5226128640. Its totient is φ = 539529984.

The previous prime is 2100231317. The next prime is 2100231377. The reversal of 2100231330 is 331320012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421212 + ... + 426168.

It is an arithmetic number, because the mean of its divisors is an integer number (81658260).

Almost surely, 22100231330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100231330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2613064320).

2100231330 is an abundant number, since it is smaller than the sum of its proper divisors (3125897310).

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

2100231330 is a wasteful number, since it uses less digits than its factorization.

2100231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2100231330 is about 45828.2808972800. The cubic root of 2100231330 is about 1280.6261849083.

Adding to 2100231330 its reverse (331320012), we get a palindrome (2431551342).

The spelling of 2100231330 in words is "two billion, one hundred million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 487 870 974 1461 2435 2922 4870 4957 7305 9914 14123 14610 14871 24785 28246 29742 42369 49570 70615 74355 84738 141230 143753 148710 211845 287506 423690 431259 718765 862518 1437530 2156295 2414059 4312590 4828118 7242177 12070295 14484354 24140590 36210885 70007711 72421770 140015422 210023133 350038555 420046266 700077110 1050115665 2100231330