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70427407960 = 2357313394861
BaseRepresentation
bin100000110010111001…
…1001111011001011000
320201210012121000101001
41001211303033121120
52123213404023320
652204235434344
75042154043000
oct1014563173130
9221705530331
1070427407960
1127960487a98
1211795bb59b4
136844b64180
1435a16b3000
151c72dda20a
hex1065ccf658

70427407960 has 128 divisors (see below), whose sum is σ = 199010448000. Its totient is φ = 22289057280.

The previous prime is 70427407943. The next prime is 70427407993. The reversal of 70427407960 is 6970472407.

It is a self number, because there is not a number n which added to its sum of digits gives 70427407960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19071 + ... + 375790.

It is an arithmetic number, because the mean of its divisors is an integer number (1554769125).

Almost surely, 270427407960 is an apocalyptic number.

70427407960 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70427407960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99505224000).

70427407960 is an abundant number, since it is smaller than the sum of its proper divisors (128583040040).

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

70427407960 is a wasteful number, since it uses less digits than its factorization.

70427407960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394906 (or 394888 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 70427407960 in words is "seventy billion, four hundred twenty-seven million, four hundred seven thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 49 52 56 65 70 91 98 104 130 140 182 196 245 260 280 343 364 392 455 490 520 637 686 728 910 980 1274 1372 1715 1820 1960 2548 2744 3185 3430 3640 4459 5096 6370 6860 8918 12740 13720 17836 22295 25480 35672 44590 89180 178360 394861 789722 1579444 1974305 2764027 3158888 3948610 5133193 5528054 7897220 10266386 11056108 13820135 15794440 19348189 20532772 22112216 25665965 27640270 35932351 38696378 41065544 51331930 55280540 71864702 77392756 96740945 102663860 110561080 135437323 143729404 154785512 179661755 193481890 205327720 251526457 270874646 287458808 359323510 386963780 503052914 541749292 677186615 718647020 773927560 1006105828 1083498584 1257632285 1354373230 1437294040 1760685199 2012211656 2515264570 2708746460 3521370398 5030529140 5417492920 7042740796 8803425995 10061058280 14085481592 17606851990 35213703980 70427407960