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1489000205920 = 2559306251287
BaseRepresentation
bin10101101010101111010…
…101000000111001100000
312021100100222120200221211
4111222233111000321200
5143343433023042140
63100012013555504
7212401545631033
oct25525725007140
95240328520854
101489000205920
11524532886287
122006b31a5b94
13aa548561906
14520d481101a
1528aeb84b2ea
hex15aaf540e60

1489000205920 has 24 divisors (see below), whose sum is σ = 3517762986864. Its totient is φ = 595600082304.

The previous prime is 1489000205909. The next prime is 1489000205941. The reversal of 1489000205920 is 295020009841.

It is a super-2 number, since 2×14890002059202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4653125484 + ... + 4653125803.

It is an arithmetic number, because the mean of its divisors is an integer number (146573457786).

Almost surely, 21489000205920 is an apocalyptic number.

1489000205920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1489000205920 is an abundant number, since it is smaller than the sum of its proper divisors (2028762780944).

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

1489000205920 is an equidigital number, since it uses as much as digits as its factorization.

1489000205920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9306251302 (or 9306251294 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 1489000205920 in words is "one trillion, four hundred eighty-nine billion, two hundred five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 9306251287 18612502574 37225005148 46531256435 74450010296 93062512870 148900020592 186125025740 297800041184 372250051480 744500102960 1489000205920