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103453443030 = 2357492635443
BaseRepresentation
bin110000001011001001…
…1100100001111010110
3100220000211220102111010
41200112103210033112
53143333040134110
6115305330153050
710321446520350
oct1402623441726
9326024812433
10103453443030
113a968853a53
1218072422786
1399a9127b62
1450159800d0
152a574ec020
hex18164e43d6

103453443030 has 32 divisors (see below), whose sum is σ = 283758015744. Its totient is φ = 23646501216.

The previous prime is 103453443011. The next prime is 103453443031. The reversal of 103453443030 is 30344354301.

It is a super-2 number, since 2×1034534430302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103453443031) 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 15 ways as a sum of consecutive naturals, for example, 246317512 + ... + 246317931.

It is an arithmetic number, because the mean of its divisors is an integer number (8867437992).

Almost surely, 2103453443030 is an apocalyptic number.

103453443030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103453443030 is an abundant number, since it is smaller than the sum of its proper divisors (180304572714).

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

103453443030 is a wasteful number, since it uses less digits than its factorization.

103453443030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492635460.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 103453443030 its reverse (30344354301), we get a palindrome (133797797331).

The spelling of 103453443030 in words is "one hundred three billion, four hundred fifty-three million, four hundred forty-three thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 492635443 985270886 1477906329 2463177215 2955812658 3448448101 4926354430 6896896202 7389531645 10345344303 14779063290 17242240505 20690688606 34484481010 51726721515 103453443030