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2669085720 = 2332571059161
BaseRepresentation
bin1001111100010111…
…0000010000011000
320220000100121021200
42133011300100120
520431241220340
61120503434200
7123066566010
oct23705602030
96800317250
102669085720
11114a6a1674
12625a55960
13336c81582
141b46a6c40
151094ca330
hex9f170418

2669085720 has 96 divisors (see below), whose sum is σ = 9913756320. Its totient is φ = 610076160.

The previous prime is 2669085707. The next prime is 2669085733. The reversal of 2669085720 is 275809662.

It is an interprime number because it is at equal distance from previous prime (2669085707) and next prime (2669085733).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527061 + ... + 532100.

It is an arithmetic number, because the mean of its divisors is an integer number (103268295).

Almost surely, 22669085720 is an apocalyptic number.

2669085720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2669085720 is an abundant number, since it is smaller than the sum of its proper divisors (7244670600).

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

2669085720 is a wasteful number, since it uses less digits than its factorization.

2669085720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059185 (or 1059178 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2669085720 is about 51663.1950231497. The cubic root of 2669085720 is about 1387.1417414461.

The spelling of 2669085720 in words is "two billion, six hundred sixty-nine million, eighty-five thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 840 1260 2520 1059161 2118322 3177483 4236644 5295805 6354966 7414127 8473288 9532449 10591610 12709932 14828254 15887415 19064898 21183220 22242381 25419864 29656508 31774830 37070635 38129796 42366440 44484762 47662245 59313016 63549660 66727143 74141270 76259592 88969524 95324490 111211905 127099320 133454286 148282540 177939048 190648980 222423810 266908572 296565080 333635715 381297960 444847620 533817144 667271430 889695240 1334542860 2669085720