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2872703664 = 243323392843
BaseRepresentation
bin1010101100111001…
…1111101010110000
321102012111110121000
42223032133222300
521340403004124
61153020002000
7131121402225
oct25316375260
97365443530
102872703664
111244625866
12682090300
1336a20456c
141d374b94c
1511c2eb6c9
hexab39fab0

2872703664 has 80 divisors (see below), whose sum is σ = 8252150400. Its totient is φ = 956821824.

The previous prime is 2872703633. The next prime is 2872703693. The reversal of 2872703664 is 4663072782.

2872703664 is a `hidden beast` number, since 287 + 2 + 7 + 0 + 366 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009027 + ... + 1011869.

It is an arithmetic number, because the mean of its divisors is an integer number (103151880).

Almost surely, 22872703664 is an apocalyptic number.

2872703664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2872703664 is an abundant number, since it is smaller than the sum of its proper divisors (5379446736).

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

2872703664 is a wasteful number, since it uses less digits than its factorization.

2872703664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199 (or 5187 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 2872703664 is about 53597.6087526300. The cubic root of 2872703664 is about 1421.5548108775.

The spelling of 2872703664 in words is "two billion, eight hundred seventy-two million, seven hundred three thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 2339 2843 4678 5686 7017 8529 9356 11372 14034 17058 18712 21051 22744 25587 28068 34116 37424 42102 45488 51174 56136 63153 68232 76761 84204 102348 112272 126306 136464 153522 168408 204696 252612 307044 336816 409392 505224 614088 1010448 1228176 6649777 13299554 19949331 26599108 39898662 53198216 59847993 79797324 106396432 119695986 159594648 179543979 239391972 319189296 359087958 478783944 718175916 957567888 1436351832 2872703664