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4945066731 = 3211131593643
BaseRepresentation
bin1001001101011111…
…11011101011101011
3110202122000102021200
410212233323223223
540111414113411
62134405535243
7233354242113
oct44657735353
913678012250
104945066731
1121083a7910
12b60114523
1360a666bb7
1434ca82043
151de204e56
hex126bfbaeb

4945066731 has 48 divisors (see below), whose sum is σ = 7877181312. Its totient is φ = 2964499200.

The previous prime is 4945066727. The next prime is 4945066741. The reversal of 4945066731 is 1376605494.

It is not a de Polignac number, because 4945066731 - 22 = 4945066727 is a prime.

It is a super-2 number, since 2×49450667312 = 48907369948086052722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4945066741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7690296 + ... + 7690938.

It is an arithmetic number, because the mean of its divisors is an integer number (164107944).

Almost surely, 24945066731 is an apocalyptic number.

4945066731 is a deficient number, since it is larger than the sum of its proper divisors (2932114581).

4945066731 is a wasteful number, since it uses less digits than its factorization.

4945066731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 4945066731 is about 70321.1684416577. The cubic root of 4945066731 is about 1703.6905671597.

The spelling of 4945066731 in words is "four billion, nine hundred forty-five million, sixty-six thousand, seven hundred thirty-one".

Divisors: 1 3 9 11 33 99 131 393 593 643 1179 1441 1779 1929 4323 5337 5787 6523 7073 12969 19569 21219 58707 63657 77683 84233 233049 252699 381299 699147 758097 854513 926563 1143897 2563539 2779689 3431691 4194289 7690617 8339067 12582867 37748601 49950169 149850507 449551521 549451859 1648355577 4945066731