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8222742146 = 2151191142553
BaseRepresentation
bin1111010100001110…
…10001011010000010
3210020001112120200102
413222013101122002
5113320010222041
63435533522402
7410524104113
oct75207213202
923201476612
108222742146
11353a583973
121715943402
13a107309c8
145800ca20a
15331d4809b
hex1ea1d1682

8222742146 has 16 divisors (see below), whose sum is σ = 12480887808. Its totient is φ = 4062732000.

The previous prime is 8222742137. The next prime is 8222742163. The reversal of 8222742146 is 6412472228.

It is a super-2 number, since 2×82227421462 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13595 + ... + 128958.

It is an arithmetic number, because the mean of its divisors is an integer number (780055488).

Almost surely, 28222742146 is an apocalyptic number.

8222742146 is a deficient number, since it is larger than the sum of its proper divisors (4258145662).

8222742146 is a wasteful number, since it uses less digits than its factorization.

8222742146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142897.

The product of its digits is 86016, while the sum is 38.

The square root of 8222742146 is about 90679.3369296446. The cubic root of 8222742146 is about 2018.3921906961.

The spelling of 8222742146 in words is "eight billion, two hundred twenty-two million, seven hundred forty-two thousand, one hundred forty-six".

Divisors: 1 2 151 191 302 382 28841 57682 142553 285106 21525503 27227623 43051006 54455246 4111371073 8222742146