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38868196709580 = 22357307301444057
BaseRepresentation
bin10001101011001101101010…
…00011101101010011001100
312002121202121110100200210120
420311212311003231103030
520043304031324201310
6214355445243504540
711121064101566610
oct1065466503552314
9162552543320716
1038868196709580
1111425a00829297
124438b00528150
13188c341954764
149853332b5340
154760b7188b70
hex2359b50ed4cc

38868196709580 has 96 divisors (see below), whose sum is σ = 124783370697216. Its totient is φ = 8855220589056.

The previous prime is 38868196709567. The next prime is 38868196709581. The reversal of 38868196709580 is 8590769186883.

38868196709580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38868196709496 and 38868196709505.

It is not an unprimeable number, because it can be changed into a prime (38868196709581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150593089 + ... + 150850968.

It is an arithmetic number, because the mean of its divisors is an integer number (1299826778096).

Almost surely, 238868196709580 is an apocalyptic number.

38868196709580 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38868196709580 is an abundant number, since it is smaller than the sum of its proper divisors (85915173987636).

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

38868196709580 is a wasteful number, since it uses less digits than its factorization.

38868196709580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301444383 (or 301444381 counting only the distinct ones).

The product of its (nonzero) digits is 1254113280, while the sum is 78.

The spelling of 38868196709580 in words is "thirty-eight trillion, eight hundred sixty-eight billion, one hundred ninety-six million, seven hundred nine thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 307 420 614 921 1228 1535 1842 2149 3070 3684 4298 4605 6140 6447 8596 9210 10745 12894 18420 21490 25788 32235 42980 64470 128940 301444057 602888114 904332171 1205776228 1507220285 1808664342 2110108399 3014440570 3617328684 4220216798 4521660855 6028881140 6330325197 8440433596 9043321710 10550541995 12660650394 18086643420 21101083990 25321300788 31651625985 42202167980 63303251970 92543325499 126606503940 185086650998 277629976497 370173301996 462716627495 555259952994 647803278493 925433254990 1110519905988 1295606556986 1388149882485 1850866509980 1943409835479 2591213113972 2776299764970 3239016392465 3886819670958 5552599529940 6478032784930 7773639341916 9717049177395 12956065569860 19434098354790 38868196709580