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27506141472 = 253614999413
BaseRepresentation
bin11001100111011111…
…100110100100100000
32121222221122202121110
4121213133212210200
5422313033011342
620345224023320
71662425226165
oct314737464440
977887582543
1027506141472
1110735555227
1253b7901b40
132794806174
14148d15606c
15aaec12c9c
hex6677e6920

27506141472 has 96 divisors (see below), whose sum is σ = 73542168000. Its totient is φ = 8999377920.

The previous prime is 27506141461. The next prime is 27506141479. The reversal of 27506141472 is 27414160572.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 27506141472.

It is not an unprimeable number, because it can be changed into a prime (27506141479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2917438 + ... + 2926850.

It is an arithmetic number, because the mean of its divisors is an integer number (766064250).

Almost surely, 227506141472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27506141472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36771084000).

27506141472 is an abundant number, since it is smaller than the sum of its proper divisors (46036026528).

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

27506141472 is a wasteful number, since it uses less digits than its factorization.

27506141472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9986 (or 9978 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 27506141472 in words is "twenty-seven billion, five hundred six million, one hundred forty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 61 96 122 183 244 366 488 499 732 976 998 1464 1497 1952 1996 2928 2994 3992 5856 5988 7984 9413 11976 15968 18826 23952 28239 30439 37652 47904 56478 60878 75304 91317 112956 121756 150608 182634 225912 243512 301216 365268 451824 487024 574193 730536 903648 974048 1148386 1461072 1722579 2296772 2922144 3445158 4593544 4697087 6890316 9187088 9394174 13780632 14091261 18374176 18788348 27561264 28182522 37576696 55122528 56365044 75153392 112730088 150306784 225460176 286522307 450920352 573044614 859566921 1146089228 1719133842 2292178456 3438267684 4584356912 6876535368 9168713824 13753070736 27506141472