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103445302040 = 23519113539961
BaseRepresentation
bin110000001010111010…
…0100000101100011000
3100220000021120211010222
41200111310200230120
53143323444131130
6115304435455212
710321320362603
oct1402564405430
9326007524128
10103445302040
113a9641a3563
121806b757508
1399a75374c2
14501486133a
152a5693ece5
hex1815d20b18

103445302040 has 32 divisors (see below), whose sum is σ = 233970543360. Its totient is φ = 41161478400.

The previous prime is 103445302019. The next prime is 103445302043. The reversal of 103445302040 is 40203544301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103445302043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6762341 + ... + 6777620.

It is an arithmetic number, because the mean of its divisors is an integer number (7311579480).

Almost surely, 2103445302040 is an apocalyptic number.

103445302040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103445302040 is an abundant number, since it is smaller than the sum of its proper divisors (130525241320).

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

103445302040 is a wasteful number, since it uses less digits than its factorization.

103445302040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13540163 (or 13540159 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 103445302040 its reverse (40203544301), we get a palindrome (143648846341).

The spelling of 103445302040 in words is "one hundred three billion, four hundred forty-five million, three hundred two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 191 382 764 955 1528 1910 3820 7640 13539961 27079922 54159844 67699805 108319688 135399610 270799220 541598440 2586132551 5172265102 10344530204 12930662755 20689060408 25861325510 51722651020 103445302040