Search a number
-
+
2101231310 = 25599833623
BaseRepresentation
bin111110100111110…
…0011111011001110
312102102211121110212
41331033203323032
513300403400220
6544300402422
7103033112543
oct17517437316
95372747425
102101231310
119890aa202
124a7846412
1327642c449
1415d0cabca
15c470c0c5
hex7d3e3ece

2101231310 has 32 divisors (see below), whose sum is σ = 3851297280. Its totient is φ = 825178528.

The previous prime is 2101231277. The next prime is 2101231333. The reversal of 2101231310 is 131321012.

It is a super-2 number, since 2×21012313102 = 8830346036248632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578159 + ... + 581781.

It is an arithmetic number, because the mean of its divisors is an integer number (120353040).

Almost surely, 22101231310 is an apocalyptic number.

2101231310 is a deficient number, since it is larger than the sum of its proper divisors (1750065970).

2101231310 is a wasteful number, since it uses less digits than its factorization.

2101231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2101231310 is about 45839.1896743387. The cubic root of 2101231310 is about 1280.8294002025.

Adding to 2101231310 its reverse (131321012), we get a palindrome (2232552322).

The spelling of 2101231310 in words is "two billion, one hundred one million, two hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 59 118 295 590 983 1966 3623 4915 7246 9830 18115 36230 57997 115994 213757 289985 427514 579970 1068785 2137570 3561409 7122818 17807045 35614090 210123131 420246262 1050615655 2101231310