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1312233150 = 235243389523
BaseRepresentation
bin100111000110111…
…0001011010111110
310101110012100110210
41032031301122332
510141412430100
6334113413250
744342540424
oct11615613276
93343170423
101312233150
116137a3208
1230756a226
1317bb2c127
14c63c7114
157a309c50
hex4e3716be

1312233150 has 96 divisors (see below), whose sum is σ = 3344964480. Its totient is φ = 340260480.

The previous prime is 1312233149. The next prime is 1312233163. The reversal of 1312233150 is 513322131.

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, 2508789 + ... + 2509311.

It is an arithmetic number, because the mean of its divisors is an integer number (34843380).

Almost surely, 21312233150 is an apocalyptic number.

1312233150 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 1312233150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672482240).

1312233150 is an abundant number, since it is smaller than the sum of its proper divisors (2032731330).

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

1312233150 is a wasteful number, since it uses less digits than its factorization.

1312233150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1312233150 is about 36224.7587983688. The cubic root of 1312233150 is about 1094.8055783755.

Adding to 1312233150 its reverse (513322131), we get a palindrome (1825555281).

The spelling of 1312233150 in words is "one billion, three hundred twelve million, two hundred thirty-three thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 43 50 75 86 129 150 215 258 389 430 523 645 778 1046 1075 1167 1290 1569 1945 2150 2334 2615 3138 3225 3890 5230 5835 6450 7845 9725 11670 13075 15690 16727 19450 22489 26150 29175 33454 39225 44978 50181 58350 67467 78450 83635 100362 112445 134934 167270 203447 224890 250905 337335 406894 418175 501810 562225 610341 674670 836350 1017235 1124450 1220682 1254525 1686675 2034470 2509050 3051705 3373350 5086175 6103410 8748221 10172350 15258525 17496442 26244663 30517050 43741105 52489326 87482210 131223315 218705525 262446630 437411050 656116575 1312233150