Search a number
-
+
70567281330 = 23571361941759
BaseRepresentation
bin100000110111000100…
…0110100001010110010
320202010221210022120020
41001232020310022302
52124010211000310
652230153424310
75045502665040
oct1015610641262
9222127708506
1070567281330
1127a22432a17
1211814a0b096
136867b28990
1435b60c3390
151c80319170
hex106e2342b2

70567281330 has 128 divisors (see below), whose sum is σ = 208786636800. Its totient is φ = 14864511744.

The previous prime is 70567281329. The next prime is 70567281331. The reversal of 70567281330 is 3318276507.

It is an interprime number because it is at equal distance from previous prime (70567281329) and next prime (70567281331).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70567281331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1668991 + ... + 1710749.

It is an arithmetic number, because the mean of its divisors is an integer number (1631145600).

Almost surely, 270567281330 is an apocalyptic number.

70567281330 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70567281330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104393318400).

70567281330 is an abundant number, since it is smaller than the sum of its proper divisors (138219355470).

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

70567281330 is a wasteful number, since it uses less digits than its factorization.

70567281330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42408.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 70567281330 in words is "seventy billion, five hundred sixty-seven million, two hundred eighty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 619 910 1238 1365 1857 2730 3095 3714 4333 6190 8047 8666 9285 12999 16094 18570 21665 24141 25998 40235 41759 43330 48282 56329 64995 80470 83518 112658 120705 125277 129990 168987 208795 241410 250554 281645 292313 337974 417590 542867 563290 584626 626385 844935 876939 1085734 1252770 1461565 1628601 1689870 1753878 2714335 2923130 3257202 3800069 4384695 5428670 7600138 8143005 8769390 11400207 16286010 19000345 22800414 25848821 38000690 51697642 57001035 77546463 114002070 129244105 155092926 180941747 258488210 336034673 361883494 387732315 542825241 672069346 775464630 904708735 1008104019 1085650482 1680173365 1809417470 2016208038 2352242711 2714126205 3360346730 4704485422 5040520095 5428252410 7056728133 10081040190 11761213555 14113456266 23522427110 35283640665 70567281330