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2167089420 = 2235274113177
BaseRepresentation
bin1000000100101011…
…0010100100001100
312121000202112211010
42001022302210030
513414233330140
6555012125220
7104462645646
oct20112624414
95530675733
102167089420
11a122a13a1
12505906810
13286c7a942
14167b51896
15ca3ba880
hex812b290c

2167089420 has 48 divisors (see below), whose sum is σ = 6070524768. Its totient is φ = 577635840.

The previous prime is 2167089373. The next prime is 2167089437. The reversal of 2167089420 is 249807612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157872 + ... + 171048.

It is an arithmetic number, because the mean of its divisors is an integer number (126469266).

Almost surely, 22167089420 is an apocalyptic number.

2167089420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2167089420 is an abundant number, since it is smaller than the sum of its proper divisors (3903435348).

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

2167089420 is a wasteful number, since it uses less digits than its factorization.

2167089420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15930 (or 15928 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2167089420 is about 46552.0076903242. The cubic root of 2167089420 is about 1294.0735003762.

It can be divided in two parts, 216708 and 9420, that added together give a triangular number (226128 = T672).

The spelling of 2167089420 in words is "two billion, one hundred sixty-seven million, eighty-nine thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2741 5482 8223 10964 13177 13705 16446 26354 27410 32892 39531 41115 52708 54820 65885 79062 82230 131770 158124 164460 197655 263540 395310 790620 36118157 72236314 108354471 144472628 180590785 216708942 361181570 433417884 541772355 722363140 1083544710 2167089420