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123045101140 = 225134311005823
BaseRepresentation
bin111001010011000001…
…1110011111001010100
3102202121020001202222011
41302212003303321110
54003444021214030
6132305351314004
711614113050203
oct1624603637124
9382536052864
10123045101140
114820182a735
121ba1b67b904
13b7ac030270
145d5392d23a
1533024a7b2a
hex1ca60f3e54

123045101140 has 48 divisors (see below), whose sum is σ = 284742678528. Its totient is φ = 44375474304.

The previous prime is 123045101087. The next prime is 123045101147. The reversal of 123045101140 is 41101540321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123045101147) 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 15 ways as a sum of consecutive naturals, for example, 5491732 + ... + 5514091.

It is an arithmetic number, because the mean of its divisors is an integer number (5932139136).

Almost surely, 2123045101140 is an apocalyptic number.

123045101140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123045101140 is an abundant number, since it is smaller than the sum of its proper divisors (161697577388).

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

123045101140 is a wasteful number, since it uses less digits than its factorization.

123045101140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11005888 (or 11005886 counting only the distinct ones).

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

Adding to 123045101140 its reverse (41101540321), we get a palindrome (164146641461).

The spelling of 123045101140 in words is "one hundred twenty-three billion, forty-five million, one hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 43 52 65 86 130 172 215 260 430 559 860 1118 2236 2795 5590 11180 11005823 22011646 44023292 55029115 110058230 143075699 220116460 286151398 473250389 572302796 715378495 946500778 1430756990 1893001556 2366251945 2861513980 4732503890 6152255057 9465007780 12304510114 24609020228 30761275285 61522550570 123045101140