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1303230130312 = 231179283662407
BaseRepresentation
bin10010111101101110100…
…100011010100010001000
311121120212100102002000011
4102331232210122202020
5132323003403132222
62434410132321304
7163104154222045
oct22755644324210
94546770362004
101303230130312
11462773484980
121906a9173234
1395b81385356
14471105781cc
1523d777c5c77
hex12f6e91a888

1303230130312 has 64 divisors (see below), whose sum is σ = 2708983756800. Its totient is φ = 582811295040.

The previous prime is 1303230130309. The next prime is 1303230130331. The reversal of 1303230130312 is 2130310323031.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636213 + ... + 2298619.

It is an arithmetic number, because the mean of its divisors is an integer number (42327871200).

Almost surely, 21303230130312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303230130312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354491878400).

1303230130312 is an abundant number, since it is smaller than the sum of its proper divisors (1405753626488).

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

1303230130312 is a wasteful number, since it uses less digits than its factorization.

1303230130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662786 (or 662782 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1303230130312 its reverse (2130310323031), we get a palindrome (3433540453343).

The spelling of 1303230130312 in words is "one trillion, three hundred three billion, two hundred thirty million, one hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 79 88 158 283 316 566 632 869 1132 1738 2264 3113 3476 6226 6952 12452 22357 24904 44714 89428 178856 245927 491854 662407 983708 1324814 1967416 2649628 5299256 7286477 14572954 29145908 52330153 58291816 104660306 187461181 209320612 374922362 418641224 575631683 749844724 1151263366 1499689448 2062072991 2302526732 4124145982 4605053464 8248291964 14809433299 16496583928 29618866598 59237733196 118475466392 162903766289 325807532578 651615065156 1303230130312