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620160743317440 = 263513795939105913
BaseRepresentation
bin1000110100000010000110110…
…0110011110001111111000000
310000022210210021111021021012110
42031000201230303301333000
51122241203200242124230
610034545525025455320
7244425064230042363
oct21500415463617700
93008723244237173
10620160743317440
1116a669770055576
125967b3821a1540
1320806ba4055180
14ad1dd23a120da
154ba6c0ddbd4b0
hex234086ccf1fc0

620160743317440 has 448 divisors, whose sum is σ = 2147695961241600. Its totient is φ = 150695809744896.

The previous prime is 620160743317433. The next prime is 620160743317459. The reversal of 620160743317440 is 44713347061026.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 620160743317440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5855325924 + ... + 5855431836.

It is an arithmetic number, because the mean of its divisors is an integer number (4793964199200).

Almost surely, 2620160743317440 is an apocalyptic number.

620160743317440 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 620160743317440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073847980620800).

620160743317440 is an abundant number, since it is smaller than the sum of its proper divisors (1527535217924160).

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

620160743317440 is a wasteful number, since it uses less digits than its factorization.

620160743317440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111964 (or 111954 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 620160743317440 in words is "six hundred twenty trillion, one hundred sixty billion, seven hundred forty-three million, three hundred seventeen thousand, four hundred forty".