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1490761187328 = 215373675903
BaseRepresentation
bin10101101100011000010…
…010101000000000000000
312021111220201011211022110
4111230120102220000000
5143411034330443303
63100502441535320
7212463311005440
oct25543022500000
95244821154273
101490761187328
1152525690a716
12200b04aa4540
13aa76933ca4a
145222064c120
1528ba1248703
hex15b184a8000

1490761187328 has 256 divisors, whose sum is σ = 4556353904640. Its totient is φ = 424699232256.

The previous prime is 1490761187317. The next prime is 1490761187429. The reversal of 1490761187328 is 8237811670941.

It is a tau number, because it is divible by the number of its divisors (256).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252540025 + ... + 252545927.

It is an arithmetic number, because the mean of its divisors is an integer number (17798257440).

Almost surely, 21490761187328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490761187328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2278176952320).

1490761187328 is an abundant number, since it is smaller than the sum of its proper divisors (3065592717312).

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

1490761187328 is an frugal number, since it uses more digits than its factorization.

1490761187328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310 (or 6282 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 1490761187328 in words is "one trillion, four hundred ninety billion, seven hundred sixty-one million, one hundred eighty-seven thousand, three hundred twenty-eight".