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1889024838724 = 2271296792
BaseRepresentation
bin11011011111010010101…
…001111000110001000100
320200120220101111112210201
4123133102221320301010
5221422210324314344
64003450034100244
7253322540124562
oct33372251706104
96616811445721
101889024838724
11669149302671
1226613271a684
13109199015c7a
1467601d86a32
15342104ad4d4
hex1b7d2a78c44

1889024838724 has 27 divisors (see below), whose sum is σ = 3353356177311. Its totient is φ = 931113218280.

The previous prime is 1889024838719. The next prime is 1889024838731. The reversal of 1889024838724 is 4278384209881.

The square root of 1889024838724 is 1374418.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 195162517 + ... + 195172195.

Almost surely, 21889024838724 is an apocalyptic number.

1889024838724 is the 1374418-th square number.

It is an amenable number.

1889024838724 is a deficient number, since it is larger than the sum of its proper divisors (1464331338587).

1889024838724 is an frugal number, since it uses more digits than its factorization.

1889024838724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19504 (or 9752 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 64.

Multiplying 1889024838724 by its sum of digits (64), we get a square (120897589678336 = 109953442).

The spelling of 1889024838724 in words is "one trillion, eight hundred eighty-nine billion, twenty-four million, eight hundred thirty-eight thousand, seven hundred twenty-four".

Divisors: 1 2 4 71 142 284 5041 9679 10082 19358 20164 38716 687209 1374418 2748836 48791839 93683041 97583678 187366082 195167356 374732164 6651495911 13302991822 26605983644 472256209681 944512419362 1889024838724