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5218769920 = 210571323487
BaseRepresentation
bin1001101110001000…
…00001110000000000
3111110201000222110211
410313010001300000
541142001114140
62221504203504
7243216545440
oct46704016000
914421028424
105218769920
1122389500a1
121017909594
13652288450
1437716c120
1520826c2ea
hex137101c00

5218769920 has 352 divisors, whose sum is σ = 16110839808. Its totient is φ = 1576599552.

The previous prime is 5218769861. The next prime is 5218769971. The reversal of 5218769920 is 299678125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10715917 + ... + 10716403.

Almost surely, 25218769920 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 5218769920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8055419904).

5218769920 is an abundant number, since it is smaller than the sum of its proper divisors (10892069888).

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

5218769920 is a wasteful number, since it uses less digits than its factorization.

5218769920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 5218769920 is about 72241.0542558731. The cubic root of 5218769920 is about 1734.5602253906.

The spelling of 5218769920 in words is "five billion, two hundred eighteen million, seven hundred sixty-nine thousand, nine hundred twenty".