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2213161031478 = 233163111885393
BaseRepresentation
bin100000001101001010101…
…011010101011100110110
321211120112222221012120210
4200031022223111130312
5242230023211001403
64412413453410250
7315616123243155
oct40151253253466
97746488835523
102213161031478
11783661783801
122b8b13199986
13130914417327
147919085759c
153c881ab1b03
hex2034aad5736

2213161031478 has 32 divisors (see below), whose sum is σ = 4569833060352. Its totient is φ = 713809411200.

The previous prime is 2213161031449. The next prime is 2213161031513. The reversal of 2213161031478 is 8741301613122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231150 + ... + 2116542.

It is an arithmetic number, because the mean of its divisors is an integer number (142807283136).

Almost surely, 22213161031478 is an apocalyptic number.

2213161031478 is an abundant number, since it is smaller than the sum of its proper divisors (2356672028874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213161031478 is a wasteful number, since it uses less digits than its factorization.

2213161031478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891740.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 2213161031478 in words is "two trillion, two hundred thirteen billion, one hundred sixty-one million, thirty-one thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 31 62 93 186 6311 12622 18933 37866 195641 391282 586923 1173846 1885393 3770786 5656179 11312358 58447183 116894366 175341549 350683098 11898715223 23797430446 35696145669 71392291338 368860171913 737720343826 1106580515739 2213161031478