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42960446661 = 31123377731979
BaseRepresentation
bin101000000000101001…
…000110010011000101
311002212222122210212010
4220000221012103011
51200440333243121
631422531244433
73050412525426
oct500051062305
9132788583763
1042960446661
1117246063480
1283ab449719
1340884c8652
14211783964d
1511b6866376
hexa00a464c5

42960446661 has 64 divisors (see below), whose sum is σ = 67087595520. Its totient is φ = 24187933440.

The previous prime is 42960446653. The next prime is 42960446687. The reversal of 42960446661 is 16664406924.

It is not a de Polignac number, because 42960446661 - 23 = 42960446653 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42960446661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42960446651) 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, 21707170 + ... + 21709148.

It is an arithmetic number, because the mean of its divisors is an integer number (1048243680).

Almost surely, 242960446661 is an apocalyptic number.

It is an amenable number.

42960446661 is a deficient number, since it is larger than the sum of its proper divisors (24127148859).

42960446661 is a wasteful number, since it uses less digits than its factorization.

42960446661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 42960446661 in words is "forty-two billion, nine hundred sixty million, four hundred forty-six thousand, six hundred sixty-one".

Divisors: 1 3 11 23 33 37 69 111 253 407 759 773 851 1221 1979 2319 2553 5937 8503 9361 17779 21769 25509 28083 28601 45517 53337 65307 73223 85803 136551 195569 219669 314611 500687 586707 657823 805453 943833 1502061 1529767 1684129 1973469 2416359 4589301 5052387 7236053 16827437 18525419 21708159 35184641 50482311 55576257 56601379 105553923 169804137 387031051 622615169 1161093153 1301831717 1867845507 3905495151 14320148887 42960446661