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1493348565780 = 2233531471898051
BaseRepresentation
bin10101101110110010100…
…000101100001100010100
312021202121000210021022000
4111232302200230030110
5143431334213101110
63102011310235300
7212614366241031
oct25566240541424
95252530707260
101493348565780
11526364374415
122015074b5b30
13aaa8c3b3b06
14523c8126388
1528ca34841c0
hex15bb282c314

1493348565780 has 192 divisors, whose sum is σ = 4897885224960. Its totient is φ = 377180496000.

The previous prime is 1493348565773. The next prime is 1493348565851. The reversal of 1493348565780 is 875658433941.

1493348565780 is a `hidden beast` number, since 1 + 4 + 9 + 3 + 3 + 4 + 8 + 56 + 578 + 0 = 666.

It is a congruent number.

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, 162246 + ... + 1735805.

It is an arithmetic number, because the mean of its divisors is an integer number (25509818880).

Almost surely, 21493348565780 is an apocalyptic number.

1493348565780 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 1493348565780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2448942612480).

1493348565780 is an abundant number, since it is smaller than the sum of its proper divisors (3404536659180).

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

1493348565780 is a wasteful number, since it uses less digits than its factorization.

1493348565780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898147 (or 1898139 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 1493348565780 in words is "one trillion, four hundred ninety-three billion, three hundred forty-eight million, five hundred sixty-five thousand, seven hundred eighty".