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13450355620 = 2251397533321
BaseRepresentation
bin11001000011011010…
…00010001110100100
31021201101012212020021
430201231002032210
5210021242334440
610102355444524
7654212064532
oct144155021644
937641185207
1013450355620
115782414289
1227345b6744
131364794510
149184bb152
1553ac6084a
hex321b423a4

13450355620 has 48 divisors (see below), whose sum is σ = 30732146928. Its totient is φ = 4915077120.

The previous prime is 13450355603. The next prime is 13450355657. The reversal of 13450355620 is 2655305431.

It can be written as a sum of positive squares in 8 ways, for example, as 2854123776 + 10596231844 = 53424^2 + 102938^2 .

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, 241441 + ... + 291880.

It is an arithmetic number, because the mean of its divisors is an integer number (640253061).

Almost surely, 213450355620 is an apocalyptic number.

13450355620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13450355620 is an abundant number, since it is smaller than the sum of its proper divisors (17281791308).

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

13450355620 is a wasteful number, since it uses less digits than its factorization.

13450355620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533440 (or 533438 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 13450355620 in words is "thirteen billion, four hundred fifty million, three hundred fifty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 97 130 194 260 388 485 970 1261 1940 2522 5044 6305 12610 25220 533321 1066642 2133284 2666605 5333210 6933173 10666420 13866346 27732692 34665865 51732137 69331730 103464274 138663460 206928548 258660685 517321370 672517781 1034642740 1345035562 2690071124 3362588905 6725177810 13450355620