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22078140931 = 711286729103
BaseRepresentation
bin10100100011111101…
…011011001000000011
32002222122220202200101
4110203331123020003
5330204001002211
614050443103231
71411055046550
oct244375331003
962878822611
1022078140931
1193aa598070
124341b11b17
13210b0b1122
1410d62c1a27
158934165c1
hex523f5b203

22078140931 has 8 divisors (see below), whose sum is σ = 27525993984. Its totient is φ = 17203746120.

The previous prime is 22078140869. The next prime is 22078140947. The reversal of 22078140931 is 13904187022.

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

It is not a de Polignac number, because 22078140931 - 217 = 22078009859 is a prime.

It is a super-2 number, since 2×220781409312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22078146931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143364475 + ... + 143364628.

It is an arithmetic number, because the mean of its divisors is an integer number (3440749248).

Almost surely, 222078140931 is an apocalyptic number.

22078140931 is a deficient number, since it is larger than the sum of its proper divisors (5447853053).

22078140931 is a wasteful number, since it uses less digits than its factorization.

22078140931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286729121.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 22078140931 in words is "twenty-two billion, seventy-eight million, one hundred forty thousand, nine hundred thirty-one".

Divisors: 1 7 11 77 286729103 2007103721 3154020133 22078140931