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1616453225969 = 55211248723447
BaseRepresentation
bin10111100001011100000…
…111101100110111110001
312201112100101220221220212
4113201130013230313301
5202440444011212334
63234331030313505
7224533134500621
oct27413407546761
95645311827825
101616453225969
115735967836aa
12221342ab8895
13b957a8683ca
145834591a881
152c0aaca3ece
hex1785c1ecdf1

1616453225969 has 8 divisors (see below), whose sum is σ = 1616944441728. Its totient is φ = 1615962093120.

The previous prime is 1616453225929. The next prime is 1616453226007. The reversal of 1616453225969 is 9695223546161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1616453225969 is a prime.

It is a super-2 number, since 2×16164532259692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616453225929) 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, 68929004 + ... + 68952450.

It is an arithmetic number, because the mean of its divisors is an integer number (202118055216).

Almost surely, 21616453225969 is an apocalyptic number.

It is an amenable number.

1616453225969 is a deficient number, since it is larger than the sum of its proper divisors (491215759).

1616453225969 is a wasteful number, since it uses less digits than its factorization.

1616453225969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41455.

The product of its digits is 20995200, while the sum is 59.

The spelling of 1616453225969 in words is "one trillion, six hundred sixteen billion, four hundred fifty-three million, two hundred twenty-five thousand, nine hundred sixty-nine".

Divisors: 1 5521 12487 23447 68940727 129450887 292782689 1616453225969