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2664488460 = 2235103431147
BaseRepresentation
bin1001111011010000…
…1101111000001100
320212200201001000210
42132310031320030
520424102112320
61120221122420
7123012530634
oct23664157014
96780631023
102664488460
111148041687
126243b9410
13336031bba
141b3c2b6c4
15108dbd0e0
hex9ed0de0c

2664488460 has 48 divisors (see below), whose sum is σ = 7533017856. Its totient is φ = 703630272.

The previous prime is 2664488447. The next prime is 2664488461. The reversal of 2664488460 is 648844662.

2664488460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2664488461) 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, 209394 + ... + 221753.

It is an arithmetic number, because the mean of its divisors is an integer number (156937872).

Almost surely, 22664488460 is an apocalyptic number.

2664488460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664488460 is an abundant number, since it is smaller than the sum of its proper divisors (4868529396).

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

2664488460 is a wasteful number, since it uses less digits than its factorization.

2664488460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431262 (or 431260 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The square root of 2664488460 is about 51618.6832455071. The cubic root of 2664488460 is about 1386.3448748136.

The spelling of 2664488460 in words is "two billion, six hundred sixty-four million, four hundred eighty-eight thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 103 206 309 412 515 618 1030 1236 1545 2060 3090 6180 431147 862294 1293441 1724588 2155735 2586882 4311470 5173764 6467205 8622940 12934410 25868820 44408141 88816282 133224423 177632564 222040705 266448846 444081410 532897692 666122115 888162820 1332244230 2664488460