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48938249380 = 2252446912469
BaseRepresentation
bin101101100100111100…
…100110110010100100
311200022120221122120211
4231210330212302210
51300211142440010
634252032305204
73351510153616
oct554474466244
9150276848524
1048938249380
11198334030a9
1295993a2204
1347cbac1b17
14252370adb6
15141656708a
hexb64f26ca4

48938249380 has 12 divisors (see below), whose sum is σ = 102770323740. Its totient is φ = 19575299744.

The previous prime is 48938249323. The next prime is 48938249383. The reversal of 48938249380 is 8394283984.

48938249380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25694807616 + 23243441764 = 160296^2 + 152458^2 .

It is not an unprimeable number, because it can be changed into a prime (48938249383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223456215 + ... + 1223456254.

It is an arithmetic number, because the mean of its divisors is an integer number (8564193645).

Almost surely, 248938249380 is an apocalyptic number.

It is an amenable number.

48938249380 is an abundant number, since it is smaller than the sum of its proper divisors (53832074360).

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

48938249380 is a wasteful number, since it uses less digits than its factorization.

48938249380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446912478 (or 2446912476 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 58.

The spelling of 48938249380 in words is "forty-eight billion, nine hundred thirty-eight million, two hundred forty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2446912469 4893824938 9787649876 12234562345 24469124690 48938249380