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13902368473744 = 24292321432
BaseRepresentation
bin1100101001001110010110…
…1111000000001010010000
31211020001102221222112200121
43022103211233000022100
53310234022312124434
645322354312400024
72633261436152242
oct312234557001220
954201387875617
1013902368473744
11447aa63629a03
1216864570a6014
1379acac04257a
14360c41bc2092
15191974aad7b4
hexca4e5bc0290

13902368473744 has 45 divisors (see below), whose sum is σ = 27897557215593. Its totient is φ = 6711279427776.

The previous prime is 13902368473709. The next prime is 13902368473759. The reversal of 13902368473744 is 44737486320931.

The square root of 13902368473744 is 3728588.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7290064800144 + 6612303673600 = 2700012^2 + 2571440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 432500137 + ... + 432532279.

Almost surely, 213902368473744 is an apocalyptic number.

13902368473744 is the 3728588-th square number.

It is an amenable number.

13902368473744 is an abundant number, since it is smaller than the sum of its proper divisors (13995188741849).

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

13902368473744 is an frugal number, since it uses more digits than its factorization.

13902368473744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64352 (or 32174 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 61.

The spelling of 13902368473744 in words is "thirteen trillion, nine hundred two billion, three hundred sixty-eight million, four hundred seventy-three thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 29 58 116 232 464 841 1682 3364 6728 13456 32143 64286 128572 257144 514288 932147 1864294 3728588 7457176 14914352 27032263 54064526 108129052 216258104 432516208 1033172449 2066344898 4132689796 8265379592 16530759184 29962001021 59924002042 119848004084 239696008168 479392016336 868898029609 1737796059218 3475592118436 6951184236872 13902368473744