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2498938987860 = 223257107166711119
BaseRepresentation
bin100100010111010100010…
…111101110010101010100
322211220012100120120011200
4210113110113232111110
5311420311340102420
65151555143032500
7345354015632520
oct44272427562524
98756170516150
102498938987860
11883880a03147
1234438973b730
131518589323c3
1488d40c02d80
154500a8cbb90
hex245d45ee554

2498938987860 has 288 divisors, whose sum is σ = 8749983191040. Its totient is φ = 565457566464.

The previous prime is 2498938987771. The next prime is 2498938987861. The reversal of 2498938987860 is 687898398942.

2498938987860 is a `hidden beast` number, since 2 + 4 + 9 + 89 + 389 + 87 + 86 + 0 = 666.

2498938987860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×24989389878602 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2498938987860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2498938987861) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 224739381 + ... + 224750499.

It is an arithmetic number, because the mean of its divisors is an integer number (30381886080).

Almost surely, 22498938987860 is an apocalyptic number.

2498938987860 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 2498938987860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4374991595520).

2498938987860 is an abundant number, since it is smaller than the sum of its proper divisors (6251044203180).

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

2498938987860 is a wasteful number, since it uses less digits than its factorization.

2498938987860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12915 (or 12910 counting only the distinct ones).

The product of its (nonzero) digits is 3009871872, while the sum is 81.

The spelling of 2498938987860 in words is "two trillion, four hundred ninety-eight billion, nine hundred thirty-eight million, nine hundred eighty-seven thousand, eight hundred sixty".