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68008750150 = 25211313988783
BaseRepresentation
bin111111010101101000…
…110010110001000110
320111112122110110121011
4333111220302301012
52103240220001100
651124235312434
74625214560335
oct772550626106
9214478413534
1068008750150
112692a191640
121121bbab71a
13654aa44cc3
143412397d1c
151b808cabba
hexfd5a32c46

68008750150 has 48 divisors (see below), whose sum is σ = 142447454208. Its totient is φ = 23932692000.

The previous prime is 68008750129. The next prime is 68008750177. The reversal of 68008750150 is 5105780086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1977342 + ... + 2011441.

It is an arithmetic number, because the mean of its divisors is an integer number (2967655296).

Almost surely, 268008750150 is an apocalyptic number.

68008750150 is an abundant number, since it is smaller than the sum of its proper divisors (74438704058).

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

68008750150 is a wasteful number, since it uses less digits than its factorization.

68008750150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988837 (or 3988832 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 68008750150 in words is "sixty-eight billion, eight million, seven hundred fifty thousand, one hundred fifty".

Divisors: 1 2 5 10 11 22 25 31 50 55 62 110 155 275 310 341 550 682 775 1550 1705 3410 8525 17050 3988783 7977566 19943915 39887830 43876613 87753226 99719575 123652273 199439150 219383065 247304546 438766130 618261365 1096915325 1236522730 1360175003 2193830650 2720350006 3091306825 6182613650 6800875015 13601750030 34004375075 68008750150