Search a number
-
+
16481086947 = 32132914533343
BaseRepresentation
bin11110101100101100…
…10110110111100011
31120112121001222000200
433112112112313203
5232223124240242
611323222520243
71122262633113
oct172626266743
946477058020
1016481086947
116a98164616
12323b596083
131728648870
14b24c03043
15666d7504c
hex3d6596de3

16481086947 has 48 divisors (see below), whose sum is σ = 26547480960. Its totient is φ = 9782809344.

The previous prime is 16481086927. The next prime is 16481086957. The reversal of 16481086947 is 74968018461.

It is not a de Polignac number, because 16481086947 - 231 = 14333603299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16481086893 and 16481086902.

It is not an unprimeable number, because it can be changed into a prime (16481086927) 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, 4928358 + ... + 4931700.

It is an arithmetic number, because the mean of its divisors is an integer number (553072520).

Almost surely, 216481086947 is an apocalyptic number.

16481086947 is a deficient number, since it is larger than the sum of its proper divisors (10066394013).

16481086947 is a wasteful number, since it uses less digits than its factorization.

16481086947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844 (or 4841 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 16481086947 in words is "sixteen billion, four hundred eighty-one million, eighty-six thousand, nine hundred forty-seven".

Divisors: 1 3 9 13 29 39 87 117 261 377 1131 1453 3343 3393 4359 10029 13077 18889 30087 42137 43459 56667 96947 126411 130377 170001 290841 379233 391131 547781 872523 1260311 1643343 3780933 4857379 4930029 11342799 14572137 43716411 63145927 140863991 189437781 422591973 568313343 1267775919 1831231883 5493695649 16481086947