Search a number
-
+
75352221890 = 251114931714503
BaseRepresentation
bin100011000101101010…
…1111010100011000010
321012111102111111000222
41012023111322203002
52213310132100030
654341043343042
75305204214051
oct1061325724302
9235442444028
1075352221890
1129a58401650
121272b381a82
13714b25985a
14390b7a2398
151e6043e3e5
hex118b57a8c2

75352221890 has 64 divisors (see below), whose sum is σ = 149437612800. Its totient is φ = 27129181440.

The previous prime is 75352221871. The next prime is 75352221907. The reversal of 75352221890 is 9812225357.

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, 5188379 + ... + 5202881.

It is an arithmetic number, because the mean of its divisors is an integer number (2334962700).

Almost surely, 275352221890 is an apocalyptic number.

75352221890 is a deficient number, since it is larger than the sum of its proper divisors (74085390910).

75352221890 is a wasteful number, since it uses less digits than its factorization.

75352221890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14987.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 75352221890 in words is "seventy-five billion, three hundred fifty-two million, two hundred twenty-one thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 149 298 317 634 745 1490 1585 1639 3170 3278 3487 6974 8195 14503 16390 17435 29006 34870 47233 72515 94466 145030 159533 236165 319066 472330 519563 797665 1039126 1595330 2160947 2597815 4321894 4597451 5195630 9194902 10804735 21609470 22987255 23770417 45974510 47540834 50571961 101143922 118852085 237704170 252859805 505719610 685020199 1370040398 3425100995 6850201990 7535222189 15070444378 37676110945 75352221890