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2028045916 = 2213313973169
BaseRepresentation
bin111100011100001…
…1000011001011100
312020100010101222201
41320320120121130
513123134432131
6533124021244
7101154051211
oct17070303134
95210111881
102028045916
11950862a06
12487231824
13264216a90
141534b9b08
15bd0a2761
hex78e1865c

2028045916 has 48 divisors (see below), whose sum is σ = 3956565760. Its totient is φ = 903260160.

The previous prime is 2028045913. The next prime is 2028045967. The reversal of 2028045916 is 6195408202.

It is a super-2 number, since 2×20280459162 = 8225940474808558112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028045913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638380 + ... + 641548.

Almost surely, 22028045916 is an apocalyptic number.

2028045916 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2028045916 is a deficient number, since it is larger than the sum of its proper divisors (1928519844).

2028045916 is a wasteful number, since it uses less digits than its factorization.

2028045916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3612 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2028045916 is about 45033.8307941929. The cubic root of 2028045916 is about 1265.7830073487.

The spelling of 2028045916 in words is "two billion, twenty-eight million, forty-five thousand, nine hundred sixteen".

Divisors: 1 2 4 13 26 31 52 62 124 397 403 794 806 1588 1612 3169 5161 6338 10322 12307 12676 20644 24614 41197 49228 82394 98239 159991 164788 196478 319982 392956 639964 1258093 1277107 2516186 2554214 5032372 5108428 16355209 32710418 39000883 65420836 78001766 156003532 507011479 1014022958 2028045916