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2108141581497 = 372910737985361
BaseRepresentation
bin11110101011010111000…
…001111011010010111001
321110112111000022101102020
4132223113001323102321
5234014433221101442
64252244502225053
7305210466531540
oct36532701732271
97415430271366
102108141581497
1174306aa66636
122a06a4425189
13123a48a29053
147406ad11157
1539c86d7c9ec
hex1ead707b4b9

2108141581497 has 64 divisors (see below), whose sum is σ = 3363126220800. Its totient is φ = 1149188705280.

The previous prime is 2108141581487. The next prime is 2108141581499. The reversal of 2108141581497 is 7941851418012.

It is not a de Polignac number, because 2108141581497 - 210 = 2108141580473 is a prime.

It is a super-2 number, since 2×21081415814972 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2108141581499) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24654097 + ... + 24739457.

It is an arithmetic number, because the mean of its divisors is an integer number (52548847200).

Almost surely, 22108141581497 is an apocalyptic number.

It is an amenable number.

2108141581497 is a deficient number, since it is larger than the sum of its proper divisors (1254984639303).

2108141581497 is a wasteful number, since it uses less digits than its factorization.

2108141581497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85886.

The product of its (nonzero) digits is 645120, while the sum is 51.

The spelling of 2108141581497 in words is "two trillion, one hundred eight billion, one hundred forty-one million, five hundred eighty-one thousand, four hundred ninety-seven".

Divisors: 1 3 7 21 29 87 107 203 321 379 609 749 1137 2247 2653 3103 7959 9309 10991 21721 32973 40553 65163 76937 85361 121659 230811 256083 283871 597527 851613 1176037 1792581 2475469 3528111 7426407 8232259 9133627 17328283 24696777 27400881 32351819 51984849 63935389 97055457 191806167 226462733 264875183 679388199 794625549 938202751 1854126281 2814608253 3461644633 5562378843 6567419257 10384933899 19702257771 24231512431 72694537293 100387694357 301163083071 702713860499 2108141581497