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147241395840 = 273571138231
BaseRepresentation
bin1000100100100001000…
…1010110011010000000
3112002001111122220101010
42021020101112122000
54403022244131330
6151350342040520
713431531133350
oct2111021263200
9462044586333
10147241395840
1157498a25000
1224652a19140
1310b66bb71c6
1471ab264b60
153c6b8203b0
hex2248456680

147241395840 has 512 divisors, whose sum is σ = 590048686080. Its totient is φ = 30591897600.

The previous prime is 147241395811. The next prime is 147241395863. The reversal of 147241395840 is 48593142741.

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 147241395840.

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, 17884525 + ... + 17892755.

It is an arithmetic number, because the mean of its divisors is an integer number (1152438840).

Almost surely, 2147241395840 is an apocalyptic number.

147241395840 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 147241395840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295024343040).

147241395840 is an abundant number, since it is smaller than the sum of its proper divisors (442807290240).

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

147241395840 is an equidigital number, since it uses as much as digits as its factorization.

147241395840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293 (or 8259 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 147241395840 in words is "one hundred forty-seven billion, two hundred forty-one million, three hundred ninety-five thousand, eight hundred forty".