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1606031604449 = 23101968525477
BaseRepresentation
bin10111010111101110111…
…100010111101011100001
312200112110002210201210122
4113113232330113223201
5202303123042320244
63225444543010025
7224013650252456
oct27275674275341
95615402721718
101606031604449
1156a128a76158
1221b314899915
13b85a970915c
1457a377a582d
152bb9adb11ee
hex175eef17ae1

1606031604449 has 8 divisors (see below), whose sum is σ = 1677503701440. Its totient is φ = 1534696560496.

The previous prime is 1606031604431. The next prime is 1606031604473. The reversal of 1606031604449 is 9444061306061.

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 1606031604449 - 216 = 1606031538913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606031604479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34239302 + ... + 34286175.

It is an arithmetic number, because the mean of its divisors is an integer number (209687962680).

Almost surely, 21606031604449 is an apocalyptic number.

It is an amenable number.

1606031604449 is a deficient number, since it is larger than the sum of its proper divisors (71472096991).

1606031604449 is a wasteful number, since it uses less digits than its factorization.

1606031604449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68526519.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 1606031604449 in words is "one trillion, six hundred six billion, thirty-one million, six hundred four thousand, four hundred forty-nine".

Divisors: 1 23 1019 23437 68525477 1576085971 69827461063 1606031604449