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103405503250 = 253795362003
BaseRepresentation
bin110000001001101110…
…0101100001100010010
3100212220111200211110201
41200103130230030102
53143233302101000
6115300454445414
710320325163260
oct1402334541422
9325814624421
10103405503250
113a9437900a5
121805a36386a
13999c21141a
14500d461430
152a531cc96a
hex181372c312

103405503250 has 64 divisors (see below), whose sum is σ = 221464399104. Its totient is φ = 35415542400.

The previous prime is 103405503221. The next prime is 103405503251. The reversal of 103405503250 is 52305504301.

It is not an unprimeable number, because it can be changed into a prime (103405503251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1636749 + ... + 1698751.

It is an arithmetic number, because the mean of its divisors is an integer number (3460381236).

Almost surely, 2103405503250 is an apocalyptic number.

103405503250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103405503250 is an abundant number, since it is smaller than the sum of its proper divisors (118058895854).

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

103405503250 is an equidigital number, since it uses as much as digits as its factorization.

103405503250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62980 (or 62970 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 103405503250 in words is "one hundred three billion, four hundred five million, five hundred three thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 125 175 250 350 875 953 1750 1906 4765 6671 9530 13342 23825 33355 47650 62003 66710 119125 124006 166775 238250 310015 333550 434021 620030 833875 868042 1550075 1667750 2170105 3100150 4340210 7750375 10850525 15500750 21701050 54252625 59088859 108505250 118177718 295444295 413622013 590888590 827244026 1477221475 2068110065 2954442950 4136220130 7386107375 10340550325 14772214750 20681100650 51702751625 103405503250