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13140305321145 = 354987175660789
BaseRepresentation
bin1011111100110111011100…
…1110110001110010111001
31201112012102110201022220020
42333031313032301302321
53210242321130234040
643540323430321053
72524233005221662
oct277156716616271
951465373638806
1013140305321145
114206854872162
1215828197b9189
1374418288c1c2
14335dcc010369
1517bc220b8cd0
hexbf3773b1cb9

13140305321145 has 16 divisors (see below), whose sum is σ = 21028704492480. Its totient is φ = 7006757511744.

The previous prime is 13140305321131. The next prime is 13140305321159. The reversal of 13140305321145 is 54112350304131.

It is an interprime number because it is at equal distance from previous prime (13140305321131) and next prime (13140305321159).

It is not a de Polignac number, because 13140305321145 - 239 = 12590549507257 is a prime.

It is a super-2 number, since 2×131403053211452 (a number of 27 digits) contains 22 as substring.

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, 87755590 + ... + 87905199.

It is an arithmetic number, because the mean of its divisors is an integer number (1314294030780).

Almost surely, 213140305321145 is an apocalyptic number.

13140305321145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13140305321145 is a deficient number, since it is larger than the sum of its proper divisors (7888399171335).

13140305321145 is a wasteful number, since it uses less digits than its factorization.

13140305321145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175665784.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 13140305321145 its reverse (54112350304131), we get a palindrome (67252655625276).

The spelling of 13140305321145 in words is "thirteen trillion, one hundred forty billion, three hundred five million, three hundred twenty-one thousand, one hundred forty-five".

Divisors: 1 3 5 15 4987 14961 24935 74805 175660789 526982367 878303945 2634911835 876020354743 2628061064229 4380101773715 13140305321145