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48664788172 = 227112131104913
BaseRepresentation
bin101101010100101001…
…011011110011001100
311122121112101101022221
4231110221123303030
51244131141210142
634204543145124
73341646605620
oct552451336314
9148545341287
1048664788172
1119703005700
1295218a51a4
134787256760
1424d9285180
1513ec54b767
hexb54a5bccc

48664788172 has 72 divisors (see below), whose sum is σ = 115211592608. Its totient is φ = 17501806080.

The previous prime is 48664788169. The next prime is 48664788181. The reversal of 48664788172 is 27188746684.

It is a super-2 number, since 2×486647881722 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48664788172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508413 + ... + 596500.

Almost surely, 248664788172 is an apocalyptic number.

It is an amenable number.

48664788172 is an abundant number, since it is smaller than the sum of its proper divisors (66546804436).

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

48664788172 is a wasteful number, since it uses less digits than its factorization.

48664788172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104959 (or 1104946 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 61.

The spelling of 48664788172 in words is "forty-eight billion, six hundred sixty-four million, seven hundred eighty-eight thousand, one hundred seventy-two".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 121 143 154 182 242 286 308 364 484 572 847 1001 1573 1694 2002 3146 3388 4004 6292 11011 22022 44044 1104913 2209826 4419652 7734391 12154043 14363869 15468782 24308086 28727738 30937564 48616172 57455476 85078301 100547083 133694473 158002559 170156602 201094166 267388946 316005118 340313204 402188332 534777892 632010236 935861311 1106017913 1738028149 1871722622 2212035826 3476056298 3743445244 4424071652 6952112596 12166197043 24332394086 48664788172