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142911717426720 = 25335113478666863
BaseRepresentation
bin100000011111101000111010…
…001001101100011000100000
3200202000020010022021102111000
4200133220322021230120200
5122212431144130123340
61223540423040352000
742050013404042454
oct4037507211543040
9622006108242430
10142911717426720
1141599578871a60
12140412b9015600
136198695189958
142740d6d426664
15117c6dd54ad30
hex81fa3a26c620

142911717426720 has 384 divisors, whose sum is σ = 547235499847680. Its totient is φ = 34545418583040.

The previous prime is 142911717426719. The next prime is 142911717426743. The reversal of 142911717426720 is 27624717119241.

142911717426720 is a `hidden beast` number, since 1 + 4 + 29 + 1 + 171 + 7 + 426 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 12156009 + ... + 20822871.

It is an arithmetic number, because the mean of its divisors is an integer number (1425092447520).

Almost surely, 2142911717426720 is an apocalyptic number.

142911717426720 is a gapful number since it is divisible by the number (10) 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 142911717426720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273617749923840).

142911717426720 is an abundant number, since it is smaller than the sum of its proper divisors (404323782420960).

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

142911717426720 is a wasteful number, since it uses less digits than its factorization.

142911717426720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8667245 (or 8667231 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 142911717426720 in words is "one hundred forty-two trillion, nine hundred eleven billion, seven hundred seventeen million, four hundred twenty-six thousand, seven hundred twenty".