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2478000134780 = 225123900006739
BaseRepresentation
bin100100000011110100010…
…100010101101001111100
322202220011002102121121122
4210003310110111221330
5311044421013303110
65134213314450112
7344013103416602
oct44036424255174
98686132377548
102478000134780
11875a06524995
12340305293938
1314c89c8a9601
1487d15d69872
15446d250c255
hex240f4515a7c

2478000134780 has 12 divisors (see below), whose sum is σ = 5203800283080. Its totient is φ = 991200053904.

The previous prime is 2478000134777. The next prime is 2478000134843. The reversal of 2478000134780 is 874310008742.

It is a super-2 number, since 2×24780001347802 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61950003350 + ... + 61950003389.

It is an arithmetic number, because the mean of its divisors is an integer number (433650023590).

Almost surely, 22478000134780 is an apocalyptic number.

2478000134780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2478000134780 is an abundant number, since it is smaller than the sum of its proper divisors (2725800148300).

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

2478000134780 is a wasteful number, since it uses less digits than its factorization.

2478000134780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123900006748 (or 123900006746 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 2478000134780 in words is "two trillion, four hundred seventy-eight billion, one hundred thirty-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 123900006739 247800013478 495600026956 619500033695 1239000067390 2478000134780