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30401615403 = 3259128944417
BaseRepresentation
bin11100010100000100…
…111101011000101011
32220110202000002010200
4130110010331120223
5444230303143103
621544420043243
72124244316145
oct342404753053
986422002120
1030401615403
1111990a12695
125a85533523
132b36650a53
14168590dc95
15bce00b0a3
hex71413d62b

30401615403 has 24 divisors (see below), whose sum is σ = 44693391600. Its totient is φ = 19908317184.

The previous prime is 30401615383. The next prime is 30401615411. The reversal of 30401615403 is 30451610403.

30401615403 is a `hidden beast` number, since 3 + 0 + 4 + 0 + 1 + 615 + 40 + 3 = 666.

It is not a de Polignac number, because 30401615403 - 29 = 30401614891 is a prime.

It is a super-2 number, since 2×304016154032 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30401615483) 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 23 ways as a sum of consecutive naturals, for example, 662251 + ... + 706667.

It is an arithmetic number, because the mean of its divisors is an integer number (1862224650).

Almost surely, 230401615403 is an apocalyptic number.

30401615403 is a deficient number, since it is larger than the sum of its proper divisors (14291776197).

30401615403 is a wasteful number, since it uses less digits than its factorization.

30401615403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45771 (or 45768 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Subtracting 30401615403 from its reverse (30451610403), we obtain a triangular number (49995000 = T9999).

The spelling of 30401615403 in words is "thirty billion, four hundred one million, six hundred fifteen thousand, four hundred three".

Divisors: 1 3 9 59 177 531 1289 3867 11601 44417 76051 133251 228153 399753 684459 2620603 7861809 23585427 57253513 171760539 515281617 3377957267 10133871801 30401615403