Search a number
-
+
212030311100 = 22525309399379
BaseRepresentation
bin1100010101110111111…
…1011100101010111100
3202021021202102210212012
43011131333130222330
511433214224423400
6241223321230352
721214210623206
oct3053577345274
9667252383765
10212030311100
1181a15645a73
12351146323b8
1316cc083745a
14a395b4d776
1557ae6d0d35
hex315dfdcabc

212030311100 has 36 divisors (see below), whose sum is σ = 460193592600. Its totient is φ = 84795936960.

The previous prime is 212030311099. The next prime is 212030311147. The reversal of 212030311100 is 1113030212.

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, 331211 + ... + 730589.

It is an arithmetic number, because the mean of its divisors is an integer number (12783155350).

Almost surely, 2212030311100 is an apocalyptic number.

212030311100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212030311100 is an abundant number, since it is smaller than the sum of its proper divisors (248163281500).

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

212030311100 is a wasteful number, since it uses less digits than its factorization.

212030311100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404702 (or 404695 counting only the distinct ones).

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

Adding to 212030311100 its reverse (1113030212), we get a palindrome (213143341312).

The spelling of 212030311100 in words is "two hundred twelve billion, thirty million, three hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 5309 10618 21236 26545 53090 106180 132725 265450 399379 530900 798758 1597516 1996895 3993790 7987580 9984475 19968950 39937900 2120303111 4240606222 8481212444 10601515555 21203031110 42406062220 53007577775 106015155550 212030311100