Search a number
-
+
210210111100 = 225211191100101
BaseRepresentation
bin1100001111000101111…
…1111011111001111100
3202002120220102001212101
43003301133323321330
511421002242023400
6240322540114444
721121126314523
oct3036137737174
9662526361771
10210210111100
1181171144850
12348a6b35a24
1316a906c3c32
14a2620d94ba
1557049d756a
hex30f17fbe7c

210210111100 has 36 divisors (see below), whose sum is σ = 497624665608. Its totient is φ = 76440040000.

The previous prime is 210210111079. The next prime is 210210111149. The reversal of 210210111100 is 1111012012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95548951 + ... + 95551150.

It is an arithmetic number, because the mean of its divisors is an integer number (13822907378).

Almost surely, 2210210111100 is an apocalyptic number.

210210111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210210111100 is an abundant number, since it is smaller than the sum of its proper divisors (287414554508).

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

210210111100 is a wasteful number, since it uses less digits than its factorization.

210210111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191100126 (or 191100119 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210210111100 its reverse (1111012012), we get a palindrome (211321123112).

The spelling of 210210111100 in words is "two hundred ten billion, two hundred ten million, one hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 191100101 382200202 764400404 955500505 1911001010 2102101111 3822002020 4204202222 4777502525 8408404444 9555005050 10510505555 19110010100 21021011110 42042022220 52552527775 105105055550 210210111100