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2748061690 = 2511113221083
BaseRepresentation
bin1010001111001100…
…0001011111111010
321002111221222221121
42203303001133322
521112000433230
61132404255454
7125046065443
oct24363013772
97074858847
102748061690
111190233470
126483a158a
1334a44380a
141c0d842ca
151113ca77a
hexa3cc17fa

2748061690 has 32 divisors (see below), whose sum is σ = 5443972416. Its totient is φ = 990447360.

The previous prime is 2748061661. The next prime is 2748061709. The reversal of 2748061690 is 961608472.

It is a super-2 number, since 2×27480616902 = 15103686104091312200, 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, 98112 + ... + 122971.

It is an arithmetic number, because the mean of its divisors is an integer number (170124138).

Almost surely, 22748061690 is an apocalyptic number.

2748061690 is a deficient number, since it is larger than the sum of its proper divisors (2695910726).

2748061690 is a wasteful number, since it uses less digits than its factorization.

2748061690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221214.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 2748061690 is about 52421.9580900981. The cubic root of 2748061690 is about 1400.6904230609.

The spelling of 2748061690 in words is "two billion, seven hundred forty-eight million, sixty-one thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 113 226 565 1130 1243 2486 6215 12430 221083 442166 1105415 2210830 2431913 4863826 12159565 24319130 24982379 49964758 124911895 249823790 274806169 549612338 1374030845 2748061690