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103211032212 = 223221787131591
BaseRepresentation
bin110000000011111011…
…0110101111010010100
3100212101221202200100200
41200013312311322110
53142334011012322
6115225310340500
710312444204311
oct1400766657224
9325357680320
10103211032212
113a853a34132
12180051ba730
13996ab418c2
144dd16bbd08
152a410b68ac
hex1807db5e94

103211032212 has 36 divisors (see below), whose sum is σ = 260908511136. Its totient is φ = 34401836880.

The previous prime is 103211032201. The next prime is 103211032259. The reversal of 103211032212 is 212230112301.

103211032212 is a `hidden beast` number, since 1 + 0 + 321 + 10 + 322 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1032110322122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 718537 + ... + 850127.

Almost surely, 2103211032212 is an apocalyptic number.

103211032212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103211032212 is an abundant number, since it is smaller than the sum of its proper divisors (157697478924).

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

103211032212 is a wasteful number, since it uses less digits than its factorization.

103211032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153388 (or 153383 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103211032212 its reverse (212230112301), we get a palindrome (315441144513).

The spelling of 103211032212 in words is "one hundred three billion, two hundred eleven million, thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 21787 43574 65361 87148 130722 131591 196083 261444 263182 392166 394773 526364 784332 789546 1184319 1579092 2368638 4737276 2866973117 5733946234 8600919351 11467892468 17201838702 25802758053 34403677404 51605516106 103211032212