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2132728092 = 22321122916883
BaseRepresentation
bin111111100011110…
…1101100100011100
312111122002210221100
41333013231210130
513331434244332
6551343433100
7103564614105
oct17707554434
95448083840
102132728092
119a4962200
124b62b5790
1327cb097b1
141633693ac
15c737e67c
hex7f1ed91c

2132728092 has 108 divisors (see below), whose sum is σ = 6130411560. Its totient is φ = 623958720.

The previous prime is 2132728043. The next prime is 2132728097. The reversal of 2132728092 is 2908272312.

It is a super-2 number, since 2×21327280922 = 9097058228811920928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132728097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117883 + ... + 134765.

It is an arithmetic number, because the mean of its divisors is an integer number (56763070).

Almost surely, 22132728092 is an apocalyptic number.

2132728092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2132728092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3065205780).

2132728092 is an abundant number, since it is smaller than the sum of its proper divisors (3997683468).

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

2132728092 is a wasteful number, since it uses less digits than its factorization.

2132728092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16944 (or 16928 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2132728092 is about 46181.4691407712. The cubic root of 2132728092 is about 1287.1974275256.

The spelling of 2132728092 in words is "two billion, one hundred thirty-two million, seven hundred twenty-eight thousand, ninety-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 29 33 36 44 58 66 87 99 116 121 132 174 198 242 261 319 348 363 396 484 522 638 726 957 1044 1089 1276 1452 1914 2178 2871 3509 3828 4356 5742 7018 10527 11484 14036 16883 21054 31581 33766 42108 50649 63162 67532 101298 126324 151947 185713 202596 303894 371426 489607 557139 607788 742852 979214 1114278 1468821 1671417 1958428 2042843 2228556 2937642 3342834 4085686 4406463 5385677 5875284 6128529 6685668 8171372 8812926 10771354 12257058 16157031 17625852 18385587 21542708 24514116 32314062 36771174 48471093 59242447 64628124 73542348 96942186 118484894 177727341 193884372 236969788 355454682 533182023 710909364 1066364046 2132728092