Search a number
-
+
27661120704 = 263372286799
BaseRepresentation
bin11001110000101110…
…110011010011000000
32122101202021112011000
4121300232303103000
5423122221330304
620412441452000
71666316434530
oct316056632300
978352245130
1027661120704
1110804a88438
12543b7a1000
1327ba959559
1414a59794c0
15abd627939
hex670bb34c0

27661120704 has 112 divisors (see below), whose sum is σ = 92935552000. Its totient is φ = 7903173888.

The previous prime is 27661120703. The next prime is 27661120763. The reversal of 27661120704 is 40702116672.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27661120703) 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, 1131304 + ... + 1155495.

Almost surely, 227661120704 is an apocalyptic number.

27661120704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27661120704 is an abundant number, since it is smaller than the sum of its proper divisors (65274431296).

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

27661120704 is a wasteful number, since it uses less digits than its factorization.

27661120704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286827 (or 2286811 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 27661120704 in words is "twenty-seven billion, six hundred sixty-one million, one hundred twenty thousand, seven hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 144 168 189 192 216 224 252 288 336 378 432 448 504 576 672 756 864 1008 1344 1512 1728 2016 3024 4032 6048 12096 2286799 4573598 6860397 9147196 13720794 16007593 18294392 20581191 27441588 32015186 36588784 41162382 48022779 54883176 61743573 64030372 73177568 82324764 96045558 109766352 123487146 128060744 144068337 146355136 164649528 192091116 219532704 246974292 256121488 288136674 329299056 384182232 432205011 439065408 493948584 512242976 576273348 658598112 768364464 864410022 987897168 1024485952 1152546696 1317196224 1536728928 1728820044 1975794336 2305093392 3073457856 3457640088 3951588672 4610186784 6915280176 9220373568 13830560352 27661120704