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2912320690 = 253747167471
BaseRepresentation
bin1010110110010110…
…0111110010110010
321111222001012221021
42231211213302302
521431023230230
61200553050054
7132112213606
oct25545476262
97458035837
102912320690
111264a24704
126933b692a
133754959a6
141d8b01506
15120a24c7a
hexad967cb2

2912320690 has 32 divisors (see below), whose sum is σ = 5498440704. Its totient is φ = 1109321280.

The previous prime is 2912320687. The next prime is 2912320709. The reversal of 2912320690 is 960232192.

It is a super-2 number, since 2×29123206902 = 16963223602804152200, which contains 22 as substring.

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, 66346 + ... + 101125.

It is an arithmetic number, because the mean of its divisors is an integer number (171826272).

Almost surely, 22912320690 is an apocalyptic number.

2912320690 is a deficient number, since it is larger than the sum of its proper divisors (2586120014).

2912320690 is a wasteful number, since it uses less digits than its factorization.

2912320690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167562.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2912320690 is about 53965.9215616670. The cubic root of 2912320690 is about 1428.0598152124.

The spelling of 2912320690 in words is "two billion, nine hundred twelve million, three hundred twenty thousand, six hundred ninety".

Divisors: 1 2 5 10 37 47 74 94 185 235 370 470 1739 3478 8695 17390 167471 334942 837355 1674710 6196427 7871137 12392854 15742274 30982135 39355685 61964270 78711370 291232069 582464138 1456160345 2912320690