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748231920016 = 2472308932
BaseRepresentation
bin10101110001101100001…
…10010000100110010000
32122112022120100210120221
422320312012100212100
544224334332420031
61331422154442424
7105025612245100
oct12706606204620
92575276323527
10748231920016
1126936145a019
12101019433414
1355733b14799
1428300cab200
15146e35eba11
hexae36190990

748231920016 has 45 divisors (see below), whose sum is σ = 1686439542081. Its totient is φ = 320660442816.

The previous prime is 748231919987. The next prime is 748231920067. The reversal of 748231920016 is 610029132847.

The square root of 748231920016 is 865004.

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

It can be written as a sum of positive squares in only one way, i.e., 284067680400 + 464164239616 = 532980^2 + 681296^2 .

It is a super-2 number, since 2×7482319200162 (a number of 25 digits) contains 22 as substring.

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, 24204666 + ... + 24235558.

Almost surely, 2748231920016 is an apocalyptic number.

748231920016 is the 865004-th square number.

It is an amenable number.

748231920016 is an abundant number, since it is smaller than the sum of its proper divisors (938207622065).

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

748231920016 is an frugal number, since it uses more digits than its factorization.

748231920016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61808 (or 30902 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 748231920016 in words is "seven hundred forty-eight billion, two hundred thirty-one million, nine hundred twenty thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 30893 61786 123572 216251 247144 432502 494288 865004 1513757 1730008 3027514 3460016 6055028 12110056 24220112 954377449 1908754898 3817509796 6680642143 7635019592 13361284286 15270039184 26722568572 46764495001 53445137144 93528990002 106890274288 187057980004 374115960008 748231920016