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1303231131232 = 25412159945989
BaseRepresentation
bin10010111101101110101…
…000001110111001100000
311121120212102021221000021
4102331232220032321200
5132323004132144412
62434410210003224
7163104165561142
oct22755650167140
94546772257007
101303231131232
11462773aa8988
121906a9576514
1395b81645b04
1447110758c92
1523d77922607
hex12f6ea0ee60

1303231131232 has 48 divisors (see below), whose sum is σ = 2628494064000. Its totient is φ = 635679247360.

The previous prime is 1303231131217. The next prime is 1303231131271. The reversal of 1303231131232 is 2321311323031.

It is a super-2 number, since 2×13032311312322 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1303231131197 and 1303231131206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28314894 + ... + 28360882.

It is an arithmetic number, because the mean of its divisors is an integer number (54760293000).

Almost surely, 21303231131232 is an apocalyptic number.

It is an amenable number.

1303231131232 is an abundant number, since it is smaller than the sum of its proper divisors (1325262932768).

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

1303231131232 is a wasteful number, since it uses less digits than its factorization.

1303231131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67639 (or 67631 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1303231131232 its reverse (2321311323031), we get a palindrome (3624542454263).

The spelling of 1303231131232 in words is "one trillion, three hundred three billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 21599 43198 45989 86396 91978 172792 183956 345584 367912 691168 735824 885559 1471648 1771118 1885549 3542236 3771098 7084472 7542196 14168944 15084392 28337888 30168784 60337568 993316411 1986632822 3973265644 7946531288 15893062576 31786125152 40725972851 81451945702 162903891404 325807782808 651615565616 1303231131232