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48629629581 = 31337101333667
BaseRepresentation
bin101101010010100011…
…010100001010001101
311122112002020010210220
4231102203110022031
51244043141121311
634201245421553
73341042013501
oct552243241215
9148462203726
1048629629581
1119695181515
129511b6a8b9
13477cb96760
1424d4732301
1513e9404206
hexb528d428d

48629629581 has 32 divisors (see below), whose sum is σ = 72424641408. Its totient is φ = 28828742400.

The previous prime is 48629629579. The next prime is 48629629603. The reversal of 48629629581 is 18592692684.

It is not a de Polignac number, because 48629629581 - 21 = 48629629579 is a prime.

It is a super-2 number, since 2×486296295812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48629629511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21091 + ... + 312576.

It is an arithmetic number, because the mean of its divisors is an integer number (2263270044).

Almost surely, 248629629581 is an apocalyptic number.

It is an amenable number.

48629629581 is a deficient number, since it is larger than the sum of its proper divisors (23795011827).

48629629581 is a wasteful number, since it uses less digits than its factorization.

48629629581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333821.

The product of its digits is 14929920, while the sum is 60.

The spelling of 48629629581 in words is "forty-eight billion, six hundred twenty-nine million, six hundred twenty-nine thousand, five hundred eighty-one".

Divisors: 1 3 13 37 39 101 111 303 481 1313 1443 3737 3939 11211 48581 145743 333667 1001001 4337671 12345679 13013013 33700367 37037037 101101101 160493827 438104771 481481481 1246913579 1314314313 3740740737 16209876527 48629629581