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2061672437431 = 83155915932923
BaseRepresentation
bin11110000000000101010…
…000001101011010110111
321022002112111102021120101
4132000011100031122313
5232234301120444211
64215041431214531
7301644110400445
oct36000520153267
97262474367511
102061672437431
11725394385942
12293695b17447
1311c55163a3b9
1471add4d1b95
153896748c5c1
hex1e00540d6b7

2061672437431 has 8 divisors (see below), whose sum is σ = 2087850360960. Its totient is φ = 2035526383032.

The previous prime is 2061672437401. The next prime is 2061672437441. The reversal of 2061672437431 is 1347342761602.

It is a happy number.

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 2061672437431 - 27 = 2061672437303 is a prime.

It is a super-2 number, since 2×20616724374312 (a number of 25 digits) 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 (2061672437401) 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, 7837065 + ... + 8095858.

It is an arithmetic number, because the mean of its divisors is an integer number (260981295120).

Almost surely, 22061672437431 is an apocalyptic number.

2061672437431 is a deficient number, since it is larger than the sum of its proper divisors (26177923529).

2061672437431 is a wasteful number, since it uses less digits than its factorization.

2061672437431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15934565.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 2061672437431 in words is "two trillion, sixty-one billion, six hundred seventy-two million, four hundred thirty-seven thousand, four hundred thirty-one".

Divisors: 1 83 1559 129397 15932923 1322432609 24839426957 2061672437431