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4631105661 = 3713472771303
BaseRepresentation
bin1000101000000100…
…10001000001111101
3102221202020112122220
410110002101001331
533441030340121
62043312355553
7222522514530
oct42402210175
912852215586
104631105661
111a67158256
12a92b45bb9
1358a5bb610
1431d0b6a17
151c18896c6
hex11409107d

4631105661 has 64 divisors (see below), whose sum is σ = 7795458048. Its totient is φ = 2380347648.

The previous prime is 4631105651. The next prime is 4631105669. The reversal of 4631105661 is 1665011364.

It is not a de Polignac number, because 4631105661 - 27 = 4631105533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4631105669) 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, 3553536 + ... + 3554838.

It is an arithmetic number, because the mean of its divisors is an integer number (121804032).

Almost surely, 24631105661 is an apocalyptic number.

It is an amenable number.

4631105661 is a deficient number, since it is larger than the sum of its proper divisors (3164352387).

4631105661 is a wasteful number, since it uses less digits than its factorization.

4631105661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 4631105661 is about 68052.2274506867. The cubic root of 4631105661 is about 1666.8437716107.

The spelling of 4631105661 in words is "four billion, six hundred thirty-one million, one hundred five thousand, six hundred sixty-one".

Divisors: 1 3 7 13 21 39 47 91 141 273 277 329 611 831 987 1303 1833 1939 3601 3909 4277 5817 9121 10803 12831 13019 16939 25207 27363 39057 50817 61241 75621 91133 118573 169247 183723 273399 355719 360931 428687 507741 796133 1082793 1184729 1286061 2388399 2526517 3554187 4692103 5572931 7579551 14076309 16718793 16963757 32844721 50891271 98534163 118746299 220528841 356238897 661586523 1543701887 4631105661