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1031270395434 = 234172721132729
BaseRepresentation
bin11110000000111001000…
…00010110111000101010
310122120220000012002202220
433000130200112320222
5113344020210123214
62105431543334510
7134335561504446
oct17003440267052
93576800162686
101031270395434
113683a5286904
12147a4a451436
137632c9018c6
1437cb14a7826
151bc5bb839a9
hexf01c816e2a

1031270395434 has 64 divisors (see below), whose sum is σ = 2117529872640. Its totient is φ = 334630010880.

The previous prime is 1031270395423. The next prime is 1031270395447. The reversal of 1031270395434 is 4345930721301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377891782 + ... + 377894510.

It is an arithmetic number, because the mean of its divisors is an integer number (33086404260).

Almost surely, 21031270395434 is an apocalyptic number.

1031270395434 is an abundant number, since it is smaller than the sum of its proper divisors (1086259477206).

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

1031270395434 is a wasteful number, since it uses less digits than its factorization.

1031270395434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 1031270395434 in words is "one trillion, thirty-one billion, two hundred seventy million, three hundred ninety-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 41 82 123 246 727 1454 2113 2181 2729 4226 4362 5458 6339 8187 12678 16374 29807 59614 86633 89421 111889 173266 178842 223778 259899 335667 519798 671334 1536151 1983983 3072302 3967966 4608453 5766377 5951949 9216906 11532754 11903898 17299131 34598262 62982191 81343303 125964382 162686606 188946573 236421457 244029909 377893146 472842914 488059818 709264371 1418528742 4192156079 8384312158 12576468237 25152936474 171878399239 343756798478 515635197717 1031270395434