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2151402160 = 24567401381
BaseRepresentation
bin1000000000111011…
…1100101010110000
312112221020112221111
42000032330222300
513401224332120
6553252003104
7104212421335
oct20016745260
95487215844
102151402160
11a04457316
12500600494
1328394753b
14165a2a98c
15c8d1c75a
hex803bcab0

2151402160 has 40 divisors (see below), whose sum is σ = 5076679536. Its totient is φ = 847714560.

The previous prime is 2151402151. The next prime is 2151402161. The reversal of 2151402160 is 612041512.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2151402161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 195331 + ... + 206050.

Almost surely, 22151402160 is an apocalyptic number.

2151402160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151402160 is an abundant number, since it is smaller than the sum of its proper divisors (2925277376).

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

2151402160 is a wasteful number, since it uses less digits than its factorization.

2151402160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401461 (or 401455 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2151402160 is about 46383.2098932362. The cubic root of 2151402160 is about 1290.9433958050.

Adding to 2151402160 its reverse (612041512), we get a palindrome (2763443672).

The spelling of 2151402160 in words is "two billion, one hundred fifty-one million, four hundred two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1072 1340 2680 5360 401381 802762 1605524 2006905 3211048 4013810 6422096 8027620 16055240 26892527 32110480 53785054 107570108 134462635 215140216 268925270 430280432 537850540 1075701080 2151402160