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48903132390 = 235732925651
BaseRepresentation
bin101101100010110110…
…101001010011100110
311200020010212112010120
4231202312221103212
51300123200214030
634244335502410
73350602524000
oct554266512346
9150203775116
1048903132390
11198155a81a2
129589687a06
1347c4747a38
14251cba9370
15141342c010
hexb62da94e6

48903132390 has 192 divisors, whose sum is σ = 141779289600. Its totient is φ = 10790505600.

The previous prime is 48903132367. The next prime is 48903132457. The reversal of 48903132390 is 9323130984.

It is a super-2 number, since 2×489031323902 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 95 ways as a sum of consecutive naturals, for example, 8651065 + ... + 8656715.

It is an arithmetic number, because the mean of its divisors is an integer number (738433800).

Almost surely, 248903132390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48903132390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70889644800).

48903132390 is an abundant number, since it is smaller than the sum of its proper divisors (92876157210).

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

48903132390 is a wasteful number, since it uses less digits than its factorization.

48903132390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740 (or 5697 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 48903132390 in words is "forty-eight billion, nine hundred three million, one hundred thirty-two thousand, three hundred ninety".