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48550192581 = 3112133747087
BaseRepresentation
bin101101001101110100…
…010010010111000101
311122022112202022201210
4231031310102113011
51243412322130311
634145331042033
73336055553652
oct551564222705
9148275668653
1048550192581
1119654355300
1294ab440319
1347695a2707
1424c7d74c29
1513e24623a6
hexb4dd125c5

48550192581 has 12 divisors (see below), whose sum is σ = 71153450816. Its totient is φ = 29424358920.

The previous prime is 48550192573. The next prime is 48550192601. The reversal of 48550192581 is 18529105584.

48550192581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48550192581 - 23 = 48550192573 is a prime.

It is a super-2 number, since 2×485501925812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48550192581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48550192531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66873181 + ... + 66873906.

Almost surely, 248550192581 is an apocalyptic number.

It is an amenable number.

48550192581 is a deficient number, since it is larger than the sum of its proper divisors (22603258235).

48550192581 is a wasteful number, since it uses less digits than its factorization.

48550192581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133747112 (or 133747101 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 48550192581 in words is "forty-eight billion, five hundred fifty million, one hundred ninety-two thousand, five hundred eighty-one".

Divisors: 1 3 11 33 121 363 133747087 401241261 1471217957 4413653871 16183397527 48550192581