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23453043105540 = 2235811481977869
BaseRepresentation
bin1010101010100100101100…
…10011011001111100000100
310002001002101220021002202010
411111102112103121330010
511033223313013334130
6121514102415414220
74640266162106406
oct525222623317404
9102032356232663
1023453043105540
11752241a460414
122769434824370
1310117c67b9449
145b11c1c70b76
152aa102ac40b0
hex1554964d9f04

23453043105540 has 48 divisors (see below), whose sum is σ = 65749493113920. Its totient is φ = 6246433169280.

The previous prime is 23453043105509. The next prime is 23453043105607. The reversal of 23453043105540 is 4550134035432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240940275 + ... + 241037594.

It is an arithmetic number, because the mean of its divisors is an integer number (1369781106540).

Almost surely, 223453043105540 is an apocalyptic number.

23453043105540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23453043105540 is an abundant number, since it is smaller than the sum of its proper divisors (42296450008380).

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

23453043105540 is a wasteful number, since it uses less digits than its factorization.

23453043105540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481978692 (or 481978690 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 23453043105540 in words is "twenty-three trillion, four hundred fifty-three billion, forty-three million, one hundred five thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 811 1622 2433 3244 4055 4866 8110 9732 12165 16220 24330 48660 481977869 963955738 1445933607 1927911476 2409889345 2891867214 4819778690 5783734428 7229668035 9639557380 14459336070 28918672140 390884051759 781768103518 1172652155277 1563536207036 1954420258795 2345304310554 3908840517590 4690608621108 5863260776385 7817681035180 11726521552770 23453043105540