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871034388563274 = 23134310315187166021
BaseRepresentation
bin1100011000001100110111111…
…1010100010100010101001010
311020020002002000011201102222220
43012003031333110110111022
51403132011411433011044
612324311401330154510
7351320105101142025
oct30603157724242512
94206062004642886
10871034388563274
112325a1678584931
1281838372422a36
132b5042623c0610
1411514409d881bc
156aa790b51d019
hex318337f51454a

871034388563274 has 128 divisors (see below), whose sum is σ = 1938480904808448. Its totient is φ = 259217614091520.

The previous prime is 871034388563237. The next prime is 871034388563281. The reversal of 871034388563274 is 472365883430178.

It is a junction number, because it is equal to n+sod(n) for n = 871034388563199 and 871034388563208.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5246448384 + ... + 5246614404.

It is an arithmetic number, because the mean of its divisors is an integer number (15144382068816).

Almost surely, 2871034388563274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871034388563274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969240452404224).

871034388563274 is an abundant number, since it is smaller than the sum of its proper divisors (1067446516245174).

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

871034388563274 is a wasteful number, since it uses less digits than its factorization.

871034388563274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181372.

The product of its (nonzero) digits is 650280960, while the sum is 69.

The spelling of 871034388563274 in words is "eight hundred seventy-one trillion, thirty-four billion, three hundred eighty-eight million, five hundred sixty-three thousand, two hundred seventy-four".

Divisors: 1 2 3 6 13 26 39 43 78 86 103 129 206 258 309 559 618 1118 1339 1677 2678 3354 4017 4429 8034 8858 13287 15187 26574 30374 45561 57577 91122 115154 166021 172731 197431 332042 345462 394862 498063 592293 653041 996126 1184586 1306082 1564261 1959123 2158273 3128522 3918246 4316546 4692783 6474819 7138903 8489533 9385566 12949638 14277806 16979066 17100163 20335393 21416709 25468599 34200326 40670786 42833418 50937198 51300489 61006179 67263223 92805739 102600978 122012358 134526446 185611478 201789669 222302119 278417217 403579338 444604238 556834434 666906357 735307009 874421899 1333812714 1470614018 1748843798 2205921027 2521360927 2623265697 4411842054 5042721854 5246531394 7564082781 9558991117 15128165562 19117982234 28676973351 32777692051 57353946702 65555384102 98333076153 108418519861 196666152306 216837039722 259700175481 325255559583 519400350962 650511119166 779100526443 1409440758193 1558201052886 2818881516386 3376102281253 4228322274579 6752204562506 8456644549158 10128306843759 11167107545683 20256613687518 22334215091366 33501322637049 67002645274098 145172398093879 290344796187758 435517194281637 871034388563274