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6121679669 = 71047783471
BaseRepresentation
bin1011011001110000…
…10110101100110101
3120210122000112210122
411230320112230311
5100014122222134
62451240501325
7304462263410
oct55470265465
916718015718
106121679669
11266158a5a6
12122a17a845
13767360381
14421044b77
1525c67102e
hex16ce16b35

6121679669 has 8 divisors (see below), whose sum is σ = 6996956928. Its totient is φ = 5246590320.

The previous prime is 6121679657. The next prime is 6121679693. The reversal of 6121679669 is 9669761216.

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-6121679669 is a prime.

It is a super-2 number, since 2×61216796692 = 74949923939695899122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6121679669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121670669) 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, 31604 + ... + 115074.

It is an arithmetic number, because the mean of its divisors is an integer number (874619616).

Almost surely, 26121679669 is an apocalyptic number.

It is an amenable number.

6121679669 is a deficient number, since it is larger than the sum of its proper divisors (875277259).

6121679669 is a wasteful number, since it uses less digits than its factorization.

6121679669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93955.

The product of its digits is 1469664, while the sum is 53.

The square root of 6121679669 is about 78241.1635202340. The cubic root of 6121679669 is about 1829.3221801175.

The spelling of 6121679669 in words is "six billion, one hundred twenty-one million, six hundred seventy-nine thousand, six hundred sixty-nine".

Divisors: 1 7 10477 73339 83471 584297 874525667 6121679669