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30191227213056 = 283741347127211
BaseRepresentation
bin1101101110101011100010…
…10111111001010100000000
310221220020211112102200200120
412313111301113321110000
512424123113131304211
6144113354110020240
76234146520030000
oct667256127712400
9127806745380616
1030191227213056
119690033750608
123477318aa7680
1313b00360a2a20
147653982c0000
15375522ea3d06
hex1b75715f9500

30191227213056 has 1440 divisors, whose sum is σ = 104402068635648. Its totient is φ = 7695099740160.

The previous prime is 30191227213027. The next prime is 30191227213057. The reversal of 30191227213056 is 65031272219103.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 30191227212999 and 30191227213017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30191227213057) 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 159 ways as a sum of consecutive naturals, for example, 143086384791 + ... + 143086385001.

Almost surely, 230191227213056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30191227213056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52201034317824).

30191227213056 is an abundant number, since it is smaller than the sum of its proper divisors (74210841422592).

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

30191227213056 is a wasteful number, since it uses less digits than its factorization.

30191227213056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 30191227213056 in words is "thirty trillion, one hundred ninety-one billion, two hundred twenty-seven million, two hundred thirteen thousand, fifty-six".