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74761770434 = 213172331613889
BaseRepresentation
bin100010110100000100…
…1100001010111000010
321010222021110102220112
41011220021201113002
52211103003123214
654202312111322
75254444364201
oct1055011412702
9233867412815
1074761770434
112978508573a
12125a5695542
137085b251b0
1438931c3238
151e286aaa3e
hex11682615c2

74761770434 has 128 divisors (see below), whose sum is σ = 140031037440. Its totient is φ = 29561241600.

The previous prime is 74761770401. The next prime is 74761770439. The reversal of 74761770434 is 43407716747.

It is a super-2 number, since 2×747617704342 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74761770439) 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, 19221962 + ... + 19225850.

It is an arithmetic number, because the mean of its divisors is an integer number (1093992480).

Almost surely, 274761770434 is an apocalyptic number.

74761770434 is a deficient number, since it is larger than the sum of its proper divisors (65269267006).

74761770434 is a wasteful number, since it uses less digits than its factorization.

74761770434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036.

The product of its (nonzero) digits is 2765952, while the sum is 50.

The spelling of 74761770434 in words is "seventy-four billion, seven hundred sixty-one million, seven hundred seventy thousand, four hundred thirty-four".

Divisors: 1 2 13 17 23 26 31 34 46 61 62 122 221 299 391 403 442 527 598 713 782 793 806 1037 1054 1403 1426 1586 1891 2074 2806 3782 3889 5083 6851 7778 9269 10166 12121 13481 13702 18239 18538 23851 24242 24583 26962 32147 36478 43493 47702 49166 50557 64294 66113 86986 89447 101114 120559 132226 157573 178894 237229 241118 310063 315146 417911 474458 565409 620126 739381 835822 859469 1130818 1162811 1478762 1520599 1567267 1718938 2049503 2325622 2772857 3041198 3083977 3134534 4032893 4099006 5456267 5545714 6167954 7354099 8065786 9611953 10912534 14708198 19223906 19767787 26643539 36047141 39535574 47138569 52427609 53287078 70931471 72094282 92756539 94277138 95603287 104855218 125019683 141862942 169144277 185513078 191206574 250039366 338288554 612801397 1205835007 1225602794 1625255879 2198875601 2411670014 2875452709 3250511758 4397751202 5750905418 37380885217 74761770434