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2101101030 = 232573335081
BaseRepresentation
bin111110100111100…
…0100000111100110
312102102120222202200
41331033010013212
513300340213110
6544253515330
7103032030660
oct17517040746
95372528680
102101101030
11989020336
124a77a2b46
132763b5062
1415d095530
15c46d36c0
hex7d3c41e6

2101101030 has 48 divisors (see below), whose sum is σ = 6243273504. Its totient is φ = 480251520.

The previous prime is 2101101029. The next prime is 2101101031. The reversal of 2101101030 is 301011012.

It is an interprime number because it is at equal distance from previous prime (2101101029) and next prime (2101101031).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101101031) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1666911 + ... + 1668170.

It is an arithmetic number, because the mean of its divisors is an integer number (130068198).

Almost surely, 22101101030 is an apocalyptic number.

2101101030 is an abundant number, since it is smaller than the sum of its proper divisors (4142172474).

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

2101101030 is a wasteful number, since it uses less digits than its factorization.

2101101030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335101 (or 3335098 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 2101101030 is about 45837.7685975223. The cubic root of 2101101030 is about 1280.8029284377.

Adding to 2101101030 its reverse (301011012), we get a palindrome (2402112042).

The spelling of 2101101030 in words is "two billion, one hundred one million, one hundred one thousand, thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 3335081 6670162 10005243 16675405 20010486 23345567 30015729 33350810 46691134 50026215 60031458 70036701 100052430 116727835 140073402 150078645 210110103 233455670 300157290 350183505 420220206 700367010 1050550515 2101101030