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315104000421 = 3754547275083
BaseRepresentation
bin1001001010111011010…
…10010111100110100101
31010010100010202202012010
410211131222113212211
520130313111003141
6400431244144433
731523366545110
oct4453552274645
91103303682163
10315104000421
111116a8aa2381
125109b838119
132393908c272
14113730b9577
1582e36b8416
hex495da979a5

315104000421 has 16 divisors (see below), whose sum is σ = 480169025024. Its totient is φ = 180055473264.

The previous prime is 315104000369. The next prime is 315104000441. The reversal of 315104000421 is 124000401513.

It is not a de Polignac number, because 315104000421 - 217 = 315103869349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315104000441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007946 + ... + 1283028.

It is an arithmetic number, because the mean of its divisors is an integer number (30010564064).

Almost surely, 2315104000421 is an apocalyptic number.

It is an amenable number.

315104000421 is a deficient number, since it is larger than the sum of its proper divisors (165065024603).

315104000421 is a wasteful number, since it uses less digits than its factorization.

315104000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329640.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 315104000421 its reverse (124000401513), we get a palindrome (439104401934).

The spelling of 315104000421 in words is "three hundred fifteen billion, one hundred four million, four hundred twenty-one", and thus it is an aban number.

Divisors: 1 3 7 21 54547 163641 275083 381829 825249 1145487 1925581 5776743 15004952401 45014857203 105034666807 315104000421