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147500023440 = 243572113730817
BaseRepresentation
bin1000100101011110101…
…1111011111010010000
3112002201112022112202010
42021113223323322100
54404040001222230
6151432141222520
713441121340600
oct2112753737220
9462645275663
10147500023440
1157610a10820
1224705561a40
1310ba865a8a3
1471d3748c00
153c843aa9b0
hex2257afbe90

147500023440 has 480 divisors, whose sum is σ = 595959963264. Its totient is φ = 29820026880.

The previous prime is 147500023417. The next prime is 147500023457. The reversal of 147500023440 is 44320005741.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 147500023398 and 147500023407.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4770912 + ... + 4801728.

Almost surely, 2147500023440 is an apocalyptic number.

147500023440 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 147500023440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297979981632).

147500023440 is an abundant number, since it is smaller than the sum of its proper divisors (448459939824).

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

147500023440 is a wasteful number, since it uses less digits than its factorization.

147500023440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30895 (or 30882 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 147500023440 in words is "one hundred forty-seven billion, five hundred million, twenty-three thousand, four hundred forty".