Search a number
-
+
120285746100 = 2232521310280833
BaseRepresentation
bin111000000000110010…
…1101101001110110100
3102111110220212000110100
41300001211231032310
53432321122333400
6131131500554100
711455535654262
oct1600145551664
9374426760410
10120285746100
1147016193423
121b38b552930
13b45c4642c0
145b71289432
1531e00eb100
hex1c0196d3b4

120285746100 has 108 divisors (see below), whose sum is σ = 406031257996. Its totient is φ = 29608796160.

The previous prime is 120285746083. The next prime is 120285746101. The reversal of 120285746100 is 1647582021.

120285746100 is a `hidden beast` number, since 1 + 2 + 0 + 28 + 574 + 61 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 20162864016 + 100122882084 = 141996^2 + 316422^2 .

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 (120285746101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5128717 + ... + 5152116.

Almost surely, 2120285746100 is an apocalyptic number.

120285746100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120285746100 is an abundant number, since it is smaller than the sum of its proper divisors (285745511896).

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

120285746100 is a wasteful number, since it uses less digits than its factorization.

120285746100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10280866 (or 10280856 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 120285746100 in words is "one hundred twenty billion, two hundred eighty-five million, seven hundred forty-six thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 30 36 39 45 50 52 60 65 75 78 90 100 117 130 150 156 180 195 225 234 260 300 325 390 450 468 585 650 780 900 975 1170 1300 1950 2340 2925 3900 5850 11700 10280833 20561666 30842499 41123332 51404165 61684998 92527497 102808330 123369996 133650829 154212495 185054994 205616660 257020825 267301658 308424990 370109988 400952487 462637485 514041650 534603316 616849980 668254145 771062475 801904974 925274970 1028083300 1202857461 1336508290 1542124950 1603809948 1850549940 2004762435 2313187425 2405714922 2673016580 3084249900 3341270725 4009524870 4626374850 4811429844 6014287305 6682541450 8019049740 9252749700 10023812175 12028574610 13365082900 20047624350 24057149220 30071436525 40095248700 60142873050 120285746100