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621342501471047 = 8915744467365739
BaseRepresentation
bin1000110101000110111001001…
…1000101011000001101000111
310000110222202121020201120021102
42031101232103011120031013
51122420033420334033142
610041252445444210315
7244606341262440656
oct21521562305301507
93013882536646242
10621342501471047
1116aa84969795454
125983040a69999b
1320891467293215
14ad611cd55719d
154bc782737c532
hex2351b93158347

621342501471047 has 8 divisors (see below), whose sum is σ = 632325940822800. Its totient is φ = 610447996851264.

The previous prime is 621342501471017. The next prime is 621342501471073. The reversal of 621342501471047 is 740174105243126.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 621342501471047 - 26 = 621342501470983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 621342501470992 and 621342501471010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621342501471017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22233668897 + ... + 22233696842.

It is an arithmetic number, because the mean of its divisors is an integer number (79040742602850).

Almost surely, 2621342501471047 is an apocalyptic number.

621342501471047 is a deficient number, since it is larger than the sum of its proper divisors (10983439351753).

621342501471047 is a wasteful number, since it uses less digits than its factorization.

621342501471047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44467365985.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 621342501471047 in words is "six hundred twenty-one trillion, three hundred forty-two billion, five hundred one million, four hundred seventy-one thousand, forty-seven".

Divisors: 1 89 157 13973 44467365739 3957595550771 6981376421023 621342501471047