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1601134869 = 31812948683
BaseRepresentation
bin101111101101111…
…0110000100010101
311010120211002010110
41133123312010111
511234342303434
6422513513233
754451264455
oct13733660425
94116732113
101601134869
11751887364
12388272819
131c69424a9
1411290bd65
15958754e9
hex5f6f6115

1601134869 has 8 divisors (see below), whose sum is σ = 2146641952. Its totient is φ = 1061525520.

The previous prime is 1601134867. The next prime is 1601134889. The reversal of 1601134869 is 9684311061.

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

It is not a de Polignac number, because 1601134869 - 21 = 1601134867 is a prime.

It is a super-2 number, since 2×16011348692 = 5127265737455294322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601134867) 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, 1473799 + ... + 1474884.

It is an arithmetic number, because the mean of its divisors is an integer number (268330244).

Almost surely, 21601134869 is an apocalyptic number.

It is an amenable number.

1601134869 is a deficient number, since it is larger than the sum of its proper divisors (545507083).

1601134869 is a wasteful number, since it uses less digits than its factorization.

1601134869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948867.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1601134869 is about 40014.1833479080. The cubic root of 1601134869 is about 1169.8835613542.

The spelling of 1601134869 in words is "one billion, six hundred one million, one hundred thirty-four thousand, eight hundred sixty-nine".

Divisors: 1 3 181 543 2948683 8846049 533711623 1601134869