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13044320124440 = 23511130199227699
BaseRepresentation
bin1011110111010001111000…
…0100010011111000011000
31201012000200002122010101212
42331310132010103320120
53202204231422440230
643424251122402252
72514264261423233
oct275643604237030
951160602563355
1013044320124440
11417a079711210
1215680b0500388
137380c6a85117
143314c427841a
151794a557a895
hexbdd1e113e18

13044320124440 has 64 divisors (see below), whose sum is σ = 32018263200000. Its totient is φ = 4743331872640.

The previous prime is 13044320124431. The next prime is 13044320124463. The reversal of 13044320124440 is 4442102344031.

13044320124440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13044320124397 and 13044320124406.

It is a congruent number.

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, 57173711 + ... + 57401409.

It is an arithmetic number, because the mean of its divisors is an integer number (500285362500).

Almost surely, 213044320124440 is an apocalyptic number.

13044320124440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044320124440 is an abundant number, since it is smaller than the sum of its proper divisors (18973943075560).

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

13044320124440 is a wasteful number, since it uses less digits than its factorization.

13044320124440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357920 (or 357916 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 13044320124440 its reverse (4442102344031), we get a palindrome (17486422468471).

The spelling of 13044320124440 in words is "thirteen trillion, forty-four billion, three hundred twenty million, one hundred twenty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 130199 227699 260398 455398 520796 650995 910796 1041592 1138495 1301990 1432189 1821592 2276990 2504689 2603980 2864378 4553980 5009378 5207960 5728756 7160945 9107960 10018756 11457512 12523445 14321890 20037512 25046890 28643780 50093780 57287560 100187560 29646182101 59292364202 118584728404 148230910505 237169456808 296461821010 326108003111 592923642020 652216006222 1185847284040 1304432012444 1630540015555 2608864024888 3261080031110 6522160062220 13044320124440