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27923372308 = 2213231732
BaseRepresentation
bin11010000000010111…
…001101100100010100
32200002000202021201101
4122000113031210110
5424141340403213
620454450435444
72005652514466
oct320027154424
980060667641
1027923372308
111092a0199a7
1254b3592b84
13283009b610
1414cc724136
15ad667bbdd
hex6805cd914

27923372308 has 18 divisors (see below), whose sum is σ = 52627088094. Its totient is φ = 12887154144.

The previous prime is 27923372297. The next prime is 27923372329. The reversal of 27923372308 is 80327332972.

It can be written as a sum of positive squares in 3 ways, for example, as 6086808324 + 21836563984 = 78018^2 + 147772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1193410 + ... + 1216582.

Almost surely, 227923372308 is an apocalyptic number.

It is an amenable number.

27923372308 is a deficient number, since it is larger than the sum of its proper divisors (24703715786).

27923372308 is an frugal number, since it uses more digits than its factorization.

27923372308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46363 (or 23188 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 46.

It can be divided in two parts, 279233 and 72308, that added together give a triangular number (351541 = T838).

The spelling of 27923372308 in words is "twenty-seven billion, nine hundred twenty-three million, three hundred seventy-two thousand, three hundred eight".

Divisors: 1 2 4 13 26 52 23173 46346 92692 301249 602498 1204996 536987929 1073975858 2147951716 6980843077 13961686154 27923372308