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1980147335 = 51723295851
BaseRepresentation
bin111011000000110…
…1010011010000111
312002222222220111012
41312001222122013
513023404203320
6524253232435
7100032655205
oct16601523207
95088886435
101980147335
11926818001
1247319271b
1325731601a
1414adac075
15b8c904c5
hex7606a687

1980147335 has 8 divisors (see below), whose sum is σ = 2515952016. Its totient is φ = 1490934400.

The previous prime is 1980147331. The next prime is 1980147353. The reversal of 1980147335 is 5337410891.

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

It is not a de Polignac number, because 1980147335 - 22 = 1980147331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1980147292 and 1980147301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980147331) 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, 11647841 + ... + 11648010.

It is an arithmetic number, because the mean of its divisors is an integer number (314494002).

Almost surely, 21980147335 is an apocalyptic number.

1980147335 is a deficient number, since it is larger than the sum of its proper divisors (535804681).

1980147335 is a wasteful number, since it uses less digits than its factorization.

1980147335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23295873.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1980147335 is about 44498.8464457226. The cubic root of 1980147335 is about 1255.7383812730.

The spelling of 1980147335 in words is "one billion, nine hundred eighty million, one hundred forty-seven thousand, three hundred thirty-five".

Divisors: 1 5 17 85 23295851 116479255 396029467 1980147335