Search a number
-
+
1685660327476 = 221931838620187
BaseRepresentation
bin11000100001111001001…
…011110101111000110100
312222010222120021222112121
4120201321023311320310
5210104213020434401
63330214234525324
7232533143242066
oct30417113657064
95863876258477
101685660327476
1159a980345364
12232838296844
13c2c59948348
145b82d0d5736
152dcab991ca1
hex188792f5e34

1685660327476 has 48 divisors (see below), whose sum is σ = 3243949148160. Its totient is φ = 763403672160.

The previous prime is 1685660327401. The next prime is 1685660327623. The reversal of 1685660327476 is 6747230665861.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4114546 + ... + 4505641.

It is an arithmetic number, because the mean of its divisors is an integer number (67582273920).

Almost surely, 21685660327476 is an apocalyptic number.

It is an amenable number.

1685660327476 is a deficient number, since it is larger than the sum of its proper divisors (1558288820684).

1685660327476 is a wasteful number, since it uses less digits than its factorization.

1685660327476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8620324 (or 8620322 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 1685660327476 in words is "one trillion, six hundred eighty-five billion, six hundred sixty million, three hundred twenty-seven thousand, four hundred seventy-six".

Divisors: 1 2 4 19 31 38 62 76 83 124 166 332 589 1178 1577 2356 2573 3154 5146 6308 10292 48887 97774 195548 8620187 17240374 34480748 163783553 267225797 327567106 534451594 655134212 715475521 1068903188 1430951042 2861902084 5077290143 10154580286 13594034899 20309160572 22179741151 27188069798 44359482302 54376139596 88718964604 421415081869 842830163738 1685660327476