Search a number
-
+
12211302030 = 235372734073
BaseRepresentation
bin10110101111101100…
…11010111010001110
31011112000201102020120
423113312122322032
5200002043131110
65335414325410
7611415232434
oct132766327216
934460642216
1012211302030
1151a6a63a54
122449659866
1311c7b78205
1483bb02d54
154b70ad870
hex2d7d9ae8e

12211302030 has 96 divisors (see below), whose sum is σ = 30540724704. Its totient is φ = 3124168704.

The previous prime is 12211302001. The next prime is 12211302041. The reversal of 12211302030 is 3020311221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2996074 + ... + 3000146.

It is an arithmetic number, because the mean of its divisors is an integer number (318132549).

Almost surely, 212211302030 is an apocalyptic number.

12211302030 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 12211302030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15270362352).

12211302030 is an abundant number, since it is smaller than the sum of its proper divisors (18329422674).

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

12211302030 is a wasteful number, since it uses less digits than its factorization.

12211302030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230 (or 4193 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12211302030 its reverse (3020311221), we get a palindrome (15231613251).

The spelling of 12211302030 in words is "twelve billion, two hundred eleven million, three hundred two thousand, 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 1369 2190 2701 2738 4073 4107 5402 6845 8103 8146 8214 12219 13505 13690 16206 20365 20535 24438 27010 40515 40730 41070 61095 81030 99937 122190 150701 199874 297329 299811 301402 452103 499685 594658 599622 753505 891987 904206 999370 1486645 1499055 1507010 1783974 2260515 2973290 2998110 4459935 4521030 5575937 8919870 11001173 11151874 16727811 22002346 27879685 33003519 33455622 55005865 55759370 66007038 83639055 110011730 165017595 167278110 330035190 407043401 814086802 1221130203 2035217005 2442260406 4070434010 6105651015 12211302030