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2080135637 = 19332932887
BaseRepresentation
bin111101111111100…
…0101100111010101
312100222010211122122
41323333011213111
513230003320022
6542224305325
7102355601246
oct17377054725
95328124578
102080135637
11978200768
124a0772245
13271c543b8
1415a398ccd
15c2941742
hex7bfc59d5

2080135637 has 8 divisors (see below), whose sum is σ = 2190340800. Its totient is φ = 1970002944.

The previous prime is 2080135613. The next prime is 2080135639. The reversal of 2080135637 is 7365310802.

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 2080135637 - 214 = 2080119253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2080135597 and 2080135606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080135639) 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, 46808 + ... + 79694.

It is an arithmetic number, because the mean of its divisors is an integer number (273792600).

Almost surely, 22080135637 is an apocalyptic number.

It is an amenable number.

2080135637 is a deficient number, since it is larger than the sum of its proper divisors (110205163).

2080135637 is a wasteful number, since it uses less digits than its factorization.

2080135637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36235.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2080135637 is about 45608.5039987062. The cubic root of 2080135637 is about 1276.5286060835.

The spelling of 2080135637 in words is "two billion, eighty million, one hundred thirty-five thousand, six hundred thirty-seven".

Divisors: 1 19 3329 32887 63251 624853 109480823 2080135637