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706400647442452 = 221601147769746477
BaseRepresentation
bin1010000010011101111011011…
…1101010001111000000010100
310102122011020112200121002222001
42200213132313222033000110
51220042132011221124302
610542215551043245044
7301535522365130134
oct24047366752170024
93378136480532861
10706400647442452
11195098917721a76
1267289217679784
13244213ab7ba821
14c661d8c008ac4
1556a017e0ad787
hex28277b7a8f014

706400647442452 has 24 divisors (see below), whose sum is σ = 1236983304228840. Its totient is φ = 352976849817600.

The previous prime is 706400647442449. The next prime is 706400647442473. The reversal of 706400647442452 is 254244746004607.

It can be written as a sum of positive squares in 4 ways, for example, as 367968920090256 + 338431727352196 = 19182516^2 + 18396514^2 .

It is a junction number, because it is equal to n+sod(n) for n = 706400647442393 and 706400647442402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945939438 + ... + 946685914.

It is an arithmetic number, because the mean of its divisors is an integer number (51540971009535).

Almost surely, 2706400647442452 is an apocalyptic number.

It is an amenable number.

706400647442452 is a deficient number, since it is larger than the sum of its proper divisors (530582656786388).

706400647442452 is a wasteful number, since it uses less digits than its factorization.

706400647442452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895851 (or 895849 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 55.

The spelling of 706400647442452 in words is "seven hundred six trillion, four hundred billion, six hundred forty-seven million, four hundred forty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 1601 3202 6404 147769 295538 591076 746477 1492954 2985908 236578169 473156338 946312676 1195109677 2390219354 4780438708 110306159813 220612319626 441224639252 176600161860613 353200323721226 706400647442452