Search a number
-
+
68478366750 = 2353424121529
BaseRepresentation
bin111111110001101000…
…001111010000011110
320112202101010110110120
4333301220033100132
52110220430214000
651243013015410
74642646341053
oct776150172036
9215671113416
1068478366750
1127050286532
1211331324566
1365c411c751
1434588c102a
151babc416a0
hexff1a0f41e

68478366750 has 64 divisors (see below), whose sum is σ = 170970246720. Its totient is φ = 18255744000.

The previous prime is 68478366743. The next prime is 68478366779. The reversal of 68478366750 is 5766387486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3169986 + ... + 3191514.

It is an arithmetic number, because the mean of its divisors is an integer number (2671410105).

Almost surely, 268478366750 is an apocalyptic number.

68478366750 is an abundant number, since it is smaller than the sum of its proper divisors (102491879970).

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

68478366750 is a wasteful number, since it uses less digits than its factorization.

68478366750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25790 (or 25780 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

It can be divided in two parts, 6847836 and 6750, that added together give a palindrome (6854586).

The spelling of 68478366750 in words is "sixty-eight billion, four hundred seventy-eight million, three hundred sixty-six thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 4241 8482 12723 21205 21529 25446 42410 43058 63615 64587 106025 107645 127230 129174 212050 215290 318075 322935 530125 538225 636150 645870 1060250 1076450 1590375 1614675 2691125 3180750 3229350 5382250 8073375 16146750 91304489 182608978 273913467 456522445 547826934 913044890 1369567335 2282612225 2739134670 4565224450 6847836675 11413061125 13695673350 22826122250 34239183375 68478366750