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11212202130 = 2353773138371
BaseRepresentation
bin10100111000100110…
…01010000010010010
31001221101201212211120
422130103022002102
5140430310432010
65052324223110
7544564100643
oct123423120222
931841655746
1011212202130
114833aa5458
12220ab3aa96
131098b9493c
1478514b6ca
15459508e70
hex29c4ca092

11212202130 has 64 divisors (see below), whose sum is σ = 28015348608. Its totient is φ = 2869240320.

The previous prime is 11212202123. The next prime is 11212202143. The reversal of 11212202130 is 3120221211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11845 + ... + 150215.

It is an arithmetic number, because the mean of its divisors is an integer number (437739822).

Almost surely, 211212202130 is an apocalyptic number.

11212202130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212202130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14007674304).

11212202130 is an abundant number, since it is smaller than the sum of its proper divisors (16803146478).

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

11212202130 is a wasteful number, since it uses less digits than its factorization.

11212202130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138491.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11212202130 its reverse (3120221211), we get a palindrome (14332423341).

The spelling of 11212202130 in words is "eleven billion, two hundred twelve million, two hundred two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 73 74 111 146 185 219 222 365 370 438 555 730 1095 1110 2190 2701 5402 8103 13505 16206 27010 40515 81030 138371 276742 415113 691855 830226 1383710 2075565 4151130 5119727 10101083 10239454 15359181 20202166 25598635 30303249 30718362 50505415 51197270 60606498 76795905 101010830 151516245 153591810 303032490 373740071 747480142 1121220213 1868700355 2242440426 3737400710 5606101065 11212202130