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68476488150 = 23527230730347
BaseRepresentation
bin111111110001100001…
…000100100111010110
320112202020121000111210
4333301201010213112
52110214440110100
651242504442250
74642624355100
oct776141044726
9215666530453
1068476488150
112704a213074
1211330779386
1365c3912655
143458552570
151bab9bec50
hexff18449d6

68476488150 has 144 divisors (see below), whose sum is σ = 198197689536. Its totient is φ = 15600271680.

The previous prime is 68476488139. The next prime is 68476488151. The reversal of 68476488150 is 5188467486.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68476488151) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 2241277 + ... + 2271623.

It is an arithmetic number, because the mean of its divisors is an integer number (1376372844).

Almost surely, 268476488150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68476488150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99098844768).

68476488150 is an abundant number, since it is smaller than the sum of its proper divisors (129721201386).

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

68476488150 is a wasteful number, since it uses less digits than its factorization.

68476488150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30683 (or 30671 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 68476488150 in words is "sixty-eight billion, four hundred seventy-six million, four hundred eighty-eight thousand, one hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 49 50 70 75 98 105 147 150 175 210 245 294 307 350 490 525 614 735 921 1050 1225 1470 1535 1842 2149 2450 3070 3675 4298 4605 6447 7350 7675 9210 10745 12894 15043 15350 21490 23025 30086 30347 32235 45129 46050 53725 60694 64470 75215 90258 91041 107450 150430 151735 161175 182082 212429 225645 303470 322350 376075 424858 451290 455205 637287 752150 758675 910410 1062145 1128225 1274574 1487003 1517350 2124290 2256450 2276025 2974006 3186435 4461009 4552050 5310725 6372870 7435015 8922018 9316529 10621450 14870030 15932175 18633058 22305045 27949587 31864350 37175075 44610090 46582645 55899174 65215703 74350150 93165290 111525225 130431406 139747935 195647109 223050450 232913225 279495870 326078515 391294218 456509921 465826450 652157030 698739675 913019842 978235545 1369529763 1397479350 1630392575 1956471090 2282549605 2739059526 3260785150 4565099210 4891177725 6847648815 9782355450 11412748025 13695297630 22825496050 34238244075 68476488150