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11011210212 = 2233727191513
BaseRepresentation
bin10100100000101000…
…11011101111100100
31001102101112102202110
422100110123233210
5140022332211322
65020344241020
7536603512452
oct122024335744
931371472673
1011011210212
1147405a5232
122173770170
131066351002
1476658b9d2
15446a55c0c
hex29051bbe4

11011210212 has 48 divisors (see below), whose sum is σ = 26484883712. Its totient is φ = 3557986560.

The previous prime is 11011210181. The next prime is 11011210213. The reversal of 11011210212 is 21201211011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11011210213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74568 + ... + 166080.

Almost surely, 211011210212 is an apocalyptic number.

11011210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011210212 is an abundant number, since it is smaller than the sum of its proper divisors (15473673500).

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

11011210212 is a wasteful number, since it uses less digits than its factorization.

11011210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91828 (or 91826 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11011210212 its reverse (21201211011), we get a palindrome (32212421223).

The spelling of 11011210212 in words is "eleven billion, eleven million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 271 444 542 813 1084 1626 3252 10027 20054 30081 40108 60162 91513 120324 183026 274539 366052 549078 1098156 3385981 6771962 10157943 13543924 20315886 24800023 40631772 49600046 74400069 99200092 148800138 297600276 917600851 1835201702 2752802553 3670403404 5505605106 11011210212