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2928380843520 = 29345112355819
BaseRepresentation
bin101010100111010001000…
…110011001011000000000
3101100221122220012011110000
4222213101012121120000
5340434310443443040
610121140220240000
7421366002320436
oct52472106313000
911327586164400
102928380843520
11a29a12709460
123b36589a0000
131831b6b032c2
14a1a3d240d56
1551291ded130
hex2a9d1199600

2928380843520 has 800 divisors, whose sum is σ = 11939731879680. Its totient is φ = 679032668160.

The previous prime is 2928380843489. The next prime is 2928380843623. The reversal of 2928380843520 is 253480838292.

2928380843520 is a `hidden beast` number, since 2 + 9 + 2 + 8 + 38 + 0 + 84 + 3 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 52434171 + ... + 52489989.

Almost surely, 22928380843520 is an apocalyptic number.

2928380843520 is a gapful number since it is divisible by the number (20) 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 2928380843520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5969865939840).

2928380843520 is an abundant number, since it is smaller than the sum of its proper divisors (9011351036160).

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

2928380843520 is a wasteful number, since it uses less digits than its factorization.

2928380843520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55888 (or 55863 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 2928380843520 in words is "two trillion, nine hundred twenty-eight billion, three hundred eighty million, eight hundred forty-three thousand, five hundred twenty".