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13534045245 = 335722045963
BaseRepresentation
bin11001001101011000…
…10010010000111101
31021221012200201211000
430212230102100331
5210204203421440
610114545320513
7656246325600
oct144654222075
937835621730
1013534045245
115815685566
122758636139
131378c170c6
14925664337
15543292730
hex326b1243d

13534045245 has 48 divisors (see below), whose sum is σ = 27988787520. Its totient is φ = 6186989088.

The previous prime is 13534045243. The next prime is 13534045271. The reversal of 13534045245 is 54254043531.

13534045245 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 404 + 5 + 245 = 666.

It is not a de Polignac number, because 13534045245 - 21 = 13534045243 is a prime.

It is a super-2 number, since 2×135340452452 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13534045241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1016367 + ... + 1029596.

It is an arithmetic number, because the mean of its divisors is an integer number (583099740).

Almost surely, 213534045245 is an apocalyptic number.

13534045245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13534045245 is an abundant number, since it is smaller than the sum of its proper divisors (14454742275).

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

13534045245 is a wasteful number, since it uses less digits than its factorization.

13534045245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045991 (or 2045978 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 13534045245 its reverse (54254043531), we get a palindrome (67788088776).

The spelling of 13534045245 in words is "thirteen billion, five hundred thirty-four million, forty-five thousand, two hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 49 63 105 135 147 189 245 315 441 735 945 1323 2205 6615 2045963 6137889 10229815 14321741 18413667 30689445 42965223 55241001 71608705 92068335 100252187 128895669 214826115 276205005 300756561 386687007 501260935 644478345 902269683 1503782805 1933435035 2706809049 4511348415 13534045245