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490365720240 = 243511317184391
BaseRepresentation
bin1110010001011000001…
…00110001011010110000
31201212201102121120222020
413020230010301122300
531013232111021430
61013134303111440
750266501564224
oct7105404613260
91655642546866
10490365720240
11179a65735520
127b0525a2580
133731a15bc16
1419a3b8a0784
15cb4ee16b10
hex722c1316b0

490365720240 has 320 divisors, whose sum is σ = 1735952891904. Its totient is φ = 113420160000.

The previous prime is 490365720203. The next prime is 490365720269. The reversal of 490365720240 is 42027563094.

It is a super-3 number, since 3×4903657202403 (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 490365720192 and 490365720201.

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, 5768445 + ... + 5852835.

Almost surely, 2490365720240 is an apocalyptic number.

490365720240 is a gapful number since it is divisible by the number (40) 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 490365720240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867976445952).

490365720240 is an abundant number, since it is smaller than the sum of its proper divisors (1245587171664).

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

490365720240 is a wasteful number, since it uses less digits than its factorization.

490365720240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84520 (or 84514 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 490365720240 in words is "four hundred ninety billion, three hundred sixty-five million, seven hundred twenty thousand, two hundred forty".