Search a number
-
+
1252441303230 = 2351310912943527
BaseRepresentation
bin10010001110011011010…
…100011010100010111110
311102201202210021100001110
4102032123110122202332
5131004444433200410
62355210311422450
7156325443265635
oct22163324324276
94381683240043
101252441303230
11443180512417
12182894084a26
1391149075150
144489318a51c
15228a3a64720
hex1239b51a8be

1252441303230 has 64 divisors (see below), whose sum is σ = 3240047236608. Its totient is φ = 308010560640.

The previous prime is 1252441303207. The next prime is 1252441303237. The reversal of 1252441303230 is 323031442521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252441303237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1046274 + ... + 1897253.

It is an arithmetic number, because the mean of its divisors is an integer number (50625738072).

Almost surely, 21252441303230 is an apocalyptic number.

1252441303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252441303230 is an abundant number, since it is smaller than the sum of its proper divisors (1987605933378).

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

1252441303230 is a wasteful number, since it uses less digits than its factorization.

1252441303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944641.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1252441303230 its reverse (323031442521), we get a palindrome (1575472745751).

The spelling of 1252441303230 in words is "one trillion, two hundred fifty-two billion, four hundred forty-one million, three hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 1091 2182 3273 5455 6546 10910 14183 16365 28366 32730 42549 70915 85098 141830 212745 425490 2943527 5887054 8830581 14717635 17661162 29435270 38265851 44152905 76531702 88305810 114797553 191329255 229595106 382658510 573987765 1147975530 3211387957 6422775914 9634163871 16056939785 19268327742 32113879570 41748043441 48170819355 83496086882 96341638710 125244130323 208740217205 250488260646 417480434410 626220651615 1252441303230