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2055297617 = 43211359631
BaseRepresentation
bin111101010000001…
…0101101001010001
312022020101221021222
41322200111221101
513202124010432
6535540054425
7101634512222
oct17240255121
95266357258
102055297617
1196518657a
12494394415
13269a68b49
14156d71249
15c0687112
hex7a815a51

2055297617 has 16 divisors (see below), whose sum is σ = 2122306560. Its totient is φ = 1989262800.

The previous prime is 2055297593. The next prime is 2055297631. The reversal of 2055297617 is 7167925502.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2055297617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051297617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3256892 + ... + 3257522.

It is an arithmetic number, because the mean of its divisors is an integer number (132644160).

Almost surely, 22055297617 is an apocalyptic number.

It is an amenable number.

2055297617 is a deficient number, since it is larger than the sum of its proper divisors (67008943).

2055297617 is a wasteful number, since it uses less digits than its factorization.

2055297617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 2055297617 is about 45335.3903369101. The cubic root of 2055297617 is about 1271.4274187538.

The spelling of 2055297617 in words is "two billion, fifty-five million, two hundred ninety-seven thousand, six hundred seventeen".

Divisors: 1 43 211 359 631 9073 15437 27133 75749 133141 226529 3257207 5725063 9740747 47797619 2055297617