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7421300156643 = 38251092998109
BaseRepresentation
bin110101111111110011111…
…1101011010100011100011
3222021110200011112102020120
41223333213331122203203
51433042310320003033
623441144230011323
71364112510340242
oct153774775324343
928243604472216
107421300156643
1124013a051368a
129ba36a4a6b43
1341aa96b02949
141b929b242959
15cd0a20851b3
hex6bfe7f5a8e3

7421300156643 has 8 divisors (see below), whose sum is σ = 9895082168400. Its totient is φ = 4947525791328.

The previous prime is 7421300156639. The next prime is 7421300156671. The reversal of 7421300156643 is 3466510031247.

7421300156643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7421300156643 - 22 = 7421300156639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7421300156595 and 7421300156604.

It is not an unprimeable number, because it can be changed into a prime (7421300156243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976273 + ... + 3974381.

It is an arithmetic number, because the mean of its divisors is an integer number (1236885271050).

Almost surely, 27421300156643 is an apocalyptic number.

7421300156643 is a deficient number, since it is larger than the sum of its proper divisors (2473782011757).

7421300156643 is a wasteful number, since it uses less digits than its factorization.

7421300156643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823221.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 7421300156643 in words is "seven trillion, four hundred twenty-one billion, three hundred million, one hundred fifty-six thousand, six hundred forty-three".

Divisors: 1 3 825109 2475327 2998109 8994327 2473766718881 7421300156643