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71051057000 = 2353711922741
BaseRepresentation
bin100001000101011111…
…0010001011101101000
320210101200002200000122
41002022332101131220
52131003032311000
652350154422412
75063466006530
oct1021276213550
9223350080018
1071051057000
1128150518820
121192aa31a08
136914120081
1436204544c0
151caca2a085
hex108af91768

71051057000 has 128 divisors (see below), whose sum is σ = 207284762880. Its totient is φ = 22145760000.

The previous prime is 71051056991. The next prime is 71051057017. The reversal of 71051057000 is 75015017.

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, 384371 + ... + 538370.

It is an arithmetic number, because the mean of its divisors is an integer number (1619412210).

Almost surely, 271051057000 is an apocalyptic number.

71051057000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71051057000 is an abundant number, since it is smaller than the sum of its proper divisors (136233705880).

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

71051057000 is a wasteful number, since it uses less digits than its factorization.

71051057000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922780 (or 922766 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 26.

The spelling of 71051057000 in words is "seventy-one billion, fifty-one million, fifty-seven thousand".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 25 28 35 40 44 50 55 56 70 77 88 100 110 125 140 154 175 200 220 250 275 280 308 350 385 440 500 550 616 700 770 875 1000 1100 1375 1400 1540 1750 1925 2200 2750 3080 3500 3850 5500 7000 7700 9625 11000 15400 19250 38500 77000 922741 1845482 3690964 4613705 6459187 7381928 9227410 10150151 12918374 18454820 20300302 23068525 25836748 32295935 36909640 40600604 46137050 50750755 51673496 64591870 71051057 81201208 92274100 101501510 115342625 129183740 142102114 161479675 184548200 203003020 230685250 253753775 258367480 284204228 322959350 355255285 406006040 461370500 507507550 568408456 645918700 710510570 807398375 922741000 1015015100 1268768875 1291837400 1421021140 1614796750 1776276425 2030030200 2537537750 2842042280 3229593500 3552552850 5075075500 6459187000 7105105700 8881382125 10150151000 14210211400 17762764250 35525528500 71051057000