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1300031031030 = 235172743320173
BaseRepresentation
bin10010111010101111111…
…000110100011011110110
311121021121101201222210120
4102322233320310123312
5132244430420443110
62433120452432410
7162631660303014
oct22725770643366
94537541658716
101300031031030
11461381697276
1218bb55918706
13957916707b4
1446cc97458b4
1523c3ba04870
hex12eafe346f6

1300031031030 has 96 divisors (see below), whose sum is σ = 3315014597664. Its totient is φ = 326222229504.

The previous prime is 1300031030999. The next prime is 1300031031049. The reversal of 1300031031030 is 301301300031.

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

It is a Curzon number.

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, 64434024 + ... + 64454196.

It is an arithmetic number, because the mean of its divisors is an integer number (34531402059).

Almost surely, 21300031031030 is an apocalyptic number.

1300031031030 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 1300031031030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657507298832).

1300031031030 is an abundant number, since it is smaller than the sum of its proper divisors (2014983566634).

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

1300031031030 is a wasteful number, since it uses less digits than its factorization.

1300031031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27650 (or 27633 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 1300031031030 its reverse (301301300031), we get a palindrome (1601332331061).

The spelling of 1300031031030 in words is "one trillion, three hundred billion, thirty-one million, thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 289 510 578 867 1445 1734 2890 4335 7433 8670 14866 20173 22299 37165 40346 44598 60519 74330 100865 111495 121038 126361 201730 222990 252722 302595 342941 379083 605190 631805 685882 758166 1028823 1263610 1714705 1895415 2057646 2148137 3429410 3790830 4296274 5144115 5829997 6444411 10288230 10740685 11659994 12888822 17489991 21481370 29149985 32222055 34979982 58299970 64444110 87449955 149945909 174899910 299891818 449837727 749729545 899675454 1499459090 2249188635 2549080453 4498377270 5098160906 7647241359 12745402265 15294482718 25490804530 38236206795 43334367701 76472413590 86668735402 130003103103 216671838505 260006206206 433343677010 650015515515 1300031031030