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7091429090 = 251947794113
BaseRepresentation
bin1101001101010111…
…01001111011100010
3200022012202220220212
412212223221323202
5104010401212330
63131401534122
7340506103244
oct64653517342
920265686825
107091429090
113009a216a9
12145aaa4342
138902384b5
144b3b5a094
152b7879295
hex1a6ae9ee2

7091429090 has 32 divisors (see below), whose sum is σ = 13722289920. Its totient is φ = 2630098944.

The previous prime is 7091429089. The next prime is 7091429101. The reversal of 7091429090 is 909241907.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388127 + ... + 405986.

It is an arithmetic number, because the mean of its divisors is an integer number (428821560).

Almost surely, 27091429090 is an apocalyptic number.

7091429090 is a deficient number, since it is larger than the sum of its proper divisors (6630860830).

7091429090 is a wasteful number, since it uses less digits than its factorization.

7091429090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794186.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 7091429090 is about 84210.6233797138. The cubic root of 7091429090 is about 1921.2236385787.

The spelling of 7091429090 in words is "seven billion, ninety-one million, four hundred twenty-nine thousand, ninety".

Divisors: 1 2 5 10 19 38 47 94 95 190 235 470 893 1786 4465 8930 794113 1588226 3970565 7941130 15088147 30176294 37323311 74646622 75440735 150881470 186616555 373233110 709142909 1418285818 3545714545 7091429090