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71670961300 = 225217893071543
BaseRepresentation
bin100001010111111101…
…1000001010010010100
320211222212120001212011
41002233323001102110
52133240231230200
652531501234004
75115034055641
oct1025773012224
9224885501764
1071670961300
1128439431024
1211a82562904
1369b2697653
14367c8dcdc8
151ce717a5ba
hex10afec1494

71670961300 has 144 divisors (see below), whose sum is σ = 167175550080. Its totient is φ = 26574704640.

The previous prime is 71670961277. The next prime is 71670961301. The reversal of 71670961300 is 316907617.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71670961301) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 46448329 + ... + 46449871.

It is an arithmetic number, because the mean of its divisors is an integer number (1160941320).

Almost surely, 271670961300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71670961300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83587775040).

71670961300 is an abundant number, since it is smaller than the sum of its proper divisors (95504588780).

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

71670961300 is a wasteful number, since it uses less digits than its factorization.

71670961300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The spelling of 71670961300 in words is "seventy-one billion, six hundred seventy million, nine hundred sixty-one thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 89 100 170 178 307 340 356 425 445 614 850 890 1228 1513 1535 1543 1700 1780 2225 3026 3070 3086 4450 5219 6052 6140 6172 7565 7675 7715 8900 10438 15130 15350 15430 20876 26095 26231 27323 30260 30700 30860 37825 38575 52190 52462 54646 75650 77150 104380 104924 109292 130475 131155 136615 137327 151300 154300 260950 262310 273230 274654 464491 473701 521900 524620 546460 549308 655775 683075 686635 928982 947402 1311550 1366150 1373270 1857964 1894804 2322455 2334559 2368505 2623100 2732300 2746540 3433175 4644910 4669118 4737010 6866350 8052917 9289820 9338236 9474020 11612275 11672795 11842525 13732700 16105834 23224550 23345590 23685050 32211668 40264585 42159389 46449100 46691180 47370100 58363975 80529170 84318778 116727950 161058340 168637556 201322925 210796945 233455900 402645850 421593890 716709613 805291700 843187780 1053984725 1433419226 2107969450 2866838452 3583548065 4215938900 7167096130 14334192260 17917740325 35835480650 71670961300