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248117697971 = 1113219101157443
BaseRepresentation
bin1110011100010011110…
…1111001110110110011
3212201102202020000011022
43213010331321312303
513031121112313341
6305552251210055
723632405430513
oct3470475716663
9781382200138
10248117697971
1196253a76940
124010614692b
131a522113a00
14c01a833843
1566c2954e4b
hex39c4f79db3

248117697971 has 96 divisors (see below), whose sum is σ = 314269735680. Its totient is φ = 193617216000.

The previous prime is 248117697959. The next prime is 248117698001. The reversal of 248117697971 is 179796711842.

It is not a de Polignac number, because 248117697971 - 214 = 248117681587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248117697871) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 560084876 + ... + 560085318.

It is an arithmetic number, because the mean of its divisors is an integer number (3273643080).

Almost surely, 2248117697971 is an apocalyptic number.

248117697971 is a deficient number, since it is larger than the sum of its proper divisors (66152037709).

248117697971 is a wasteful number, since it uses less digits than its factorization.

248117697971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 744 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 62.

The spelling of 248117697971 in words is "two hundred forty-eight billion, one hundred seventeen million, six hundred ninety-seven thousand, nine hundred seventy-one".

Divisors: 1 11 13 19 101 143 157 169 209 247 443 1111 1313 1727 1859 1919 2041 2717 2983 3211 4873 5759 8417 14443 15857 17069 21109 22451 24947 26533 32813 35321 38779 44743 63349 69551 74867 92587 109421 174427 187759 206141 274417 291863 301283 324311 426569 492173 504127 581659 765061 823537 850117 904163 1203631 1321469 1422473 2267551 2679833 3314113 3567421 3916679 5545397 6398249 7024651 7561567 9351287 9945793 11051521 11754119 14536159 15647203 17179097 29478163 43083469 50916827 77271161 83177237 91320463 121566731 129295309 133468369 143669773 188970067 223328261 560085097 1004525093 1187166019 1468152059 1580367503 1735088797 2456610871 13058826209 19085976767 22556154361 248117697971