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67472159040 = 263251113173947
BaseRepresentation
bin111110110101101001…
…110111000101000000
320110011020202210222100
4332311221313011000
52101140333042130
650555110310400
74606010613636
oct766551670500
9213136683870
1067472159040
1126684302810
12110b0358400
13649381ab80
1433a0dd9356
151b4d735c60
hexfb5a77140

67472159040 has 672 divisors, whose sum is σ = 274514438016. Its totient is φ = 14995537920.

The previous prime is 67472159039. The next prime is 67472159081. The reversal of 67472159040 is 4095127476.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 71247847 + ... + 71248793.

It is an arithmetic number, because the mean of its divisors is an integer number (408503628).

Almost surely, 267472159040 is an apocalyptic number.

67472159040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67472159040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137257219008).

67472159040 is an abundant number, since it is smaller than the sum of its proper divisors (207042278976).

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

67472159040 is a wasteful number, since it uses less digits than its factorization.

67472159040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 67472159040 in words is "sixty-seven billion, four hundred seventy-two million, one hundred fifty-nine thousand, forty".