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2160103405 = 531123111321
BaseRepresentation
bin1000000011000000…
…1000111111101101
312120112121121210211
42000300020333231
513410441302110
6554202302421
7104346401365
oct20060107755
95515547724
102160103405
11a0935a729
125034b7a11
132856a2bc5
14166c539a5
15c998a98a
hex80c08fed

2160103405 has 16 divisors (see below), whose sum is σ = 2678151168. Its totient is φ = 1670832000.

The previous prime is 2160103381. The next prime is 2160103411. The reversal of 2160103405 is 5043010612.

It is not a de Polignac number, because 2160103405 - 25 = 2160103373 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 185145 + ... + 196465.

It is an arithmetic number, because the mean of its divisors is an integer number (167384448).

Almost surely, 22160103405 is an apocalyptic number.

It is an amenable number.

2160103405 is a deficient number, since it is larger than the sum of its proper divisors (518047763).

2160103405 is a wasteful number, since it uses less digits than its factorization.

2160103405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12588.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2160103405 is about 46476.9126018500. The cubic root of 2160103405 is about 1292.6814414047.

The spelling of 2160103405 in words is "two billion, one hundred sixty million, one hundred three thousand, four hundred five".

Divisors: 1 5 31 155 1231 6155 11321 38161 56605 190805 350951 1754755 13936151 69680755 432020681 2160103405