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13028519519048 = 2311107212931379
BaseRepresentation
bin1011110110010111000001…
…0001110010001101001000
31201010111212221000012120202
42331211300101302031020
53201424401444102143
643413115204511332
72513164600456265
oct275456021621510
951114787005522
1013028519519048
114173400685550
1215650209ab548
13736779403787
143308259ac26c
15178d7d31eab8
hexbd970472348

13028519519048 has 48 divisors (see below), whose sum is σ = 26900632558800. Its totient is φ = 5866707571040.

The previous prime is 13028519519033. The next prime is 13028519519051. The reversal of 13028519519048 is 84091591582031.

It is a junction number, because it is equal to n+sod(n) for n = 13028519518984 and 13028519519002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5458178 + ... + 7473201.

It is an arithmetic number, because the mean of its divisors is an integer number (560429844975).

Almost surely, 213028519519048 is an apocalyptic number.

It is an amenable number.

13028519519048 is an abundant number, since it is smaller than the sum of its proper divisors (13872113039752).

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

13028519519048 is a wasteful number, since it uses less digits than its factorization.

13028519519048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12931610 (or 12931499 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 56.

The spelling of 13028519519048 in words is "thirteen trillion, twenty-eight billion, five hundred nineteen million, five hundred nineteen thousand, forty-eight".

Divisors: 1 2 4 8 11 22 44 88 107 214 428 856 1177 2354 4708 9416 11449 22898 45796 91592 125939 251878 503756 1007512 12931379 25862758 51725516 103451032 142245169 284490338 568980676 1137961352 1383657553 2767315106 5534630212 11069260424 15220233083 30440466166 60880932332 121761864664 148051358171 296102716342 592205432684 1184410865368 1628564939881 3257129879762 6514259759524 13028519519048