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2988443107 = 1317235311093
BaseRepresentation
bin1011001000100000…
…0000010111100011
321201021021122021001
42302020000113203
522110020134412
61212312412431
7134025230056
oct26210002743
97637248231
102988443107
1112a39975a1
126b49a7117
13388199140
14204c78a9d
1512755e957
hexb22005e3

2988443107 has 32 divisors (see below), whose sum is σ = 3623211648. Its totient is φ = 2436335616.

The previous prime is 2988443093. The next prime is 2988443167. The reversal of 2988443107 is 7013448892.

It is not a de Polignac number, because 2988443107 - 211 = 2988441059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2988443167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263853 + ... + 274945.

It is an arithmetic number, because the mean of its divisors is an integer number (113225364).

Almost surely, 22988443107 is an apocalyptic number.

2988443107 is a deficient number, since it is larger than the sum of its proper divisors (634768541).

2988443107 is a wasteful number, since it uses less digits than its factorization.

2988443107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11199.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 2988443107 is about 54666.6544339417. The cubic root of 2988443107 is about 1440.3951955123.

The spelling of 2988443107 in words is "two billion, nine hundred eighty-eight million, four hundred forty-three thousand, one hundred seven".

Divisors: 1 13 17 23 53 221 299 391 689 901 1219 5083 11093 11713 15847 20723 144209 188581 255139 269399 587929 2451553 3316807 4337363 7643077 9994793 13522367 56385719 129932309 175790771 229880239 2988443107