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345774449020 = 2257111317271451
BaseRepresentation
bin1010000100000011100…
…00110110000101111100
31020001111121121222010211
411002001300312011330
521131121224332040
6422502510242204
733660420215440
oct5020160660574
91201447558124
10345774449020
11123707731360
125701b1b6364
13267b63179c0
1412a425a8820
158edb0c88ea
hex5081c3617c

345774449020 has 96 divisors (see below), whose sum is σ = 974938922496. Its totient is φ = 99483552000.

The previous prime is 345774449017. The next prime is 345774449029. The reversal of 345774449020 is 20944477543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345774449029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8615706 + ... + 8655745.

It is an arithmetic number, because the mean of its divisors is an integer number (10155613776).

Almost surely, 2345774449020 is an apocalyptic number.

It is an amenable number.

345774449020 is an abundant number, since it is smaller than the sum of its proper divisors (629164473476).

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

345774449020 is a wasteful number, since it uses less digits than its factorization.

345774449020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17271491 (or 17271489 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 345774449020 in words is "three hundred forty-five billion, seven hundred seventy-four million, four hundred forty-nine thousand, twenty".

Divisors: 1 2 4 5 7 10 11 13 14 20 22 26 28 35 44 52 55 65 70 77 91 110 130 140 143 154 182 220 260 286 308 364 385 455 572 715 770 910 1001 1430 1540 1820 2002 2860 4004 5005 10010 20020 17271451 34542902 69085804 86357255 120900157 172714510 189985961 224528863 241800314 345429020 379971922 449057726 483600628 604500785 759943844 898115452 949929805 1122644315 1209001570 1329901727 1571702041 1899859610 2245288630 2418003140 2469817493 2659803454 3143404082 3799719220 4490577260 4939634986 5319606908 6286808164 6649508635 7858510205 9879269972 12349087465 13299017270 15717020410 17288722451 24698174930 26598034540 31434040820 34577444902 49396349860 69154889804 86443612255 172887224510 345774449020