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50111051001 = 3111871811607
BaseRepresentation
bin101110101010110110…
…011111010011111001
311210100022210010221220
4232222312133103321
51310111412113001
635004245422253
73422540622414
oct565266372371
9153308703856
1050111051001
111a285422340
12986610a989
134957a8258b
1425d539ab7b
1514844cdc36
hexbaad9f4f9

50111051001 has 16 divisors (see below), whose sum is σ = 72927848448. Its totient is φ = 30354064400.

The previous prime is 50111050999. The next prime is 50111051009. The reversal of 50111051001 is 10015011105.

It is not a de Polignac number, because 50111051001 - 21 = 50111050999 is a prime.

It is a super-2 number, since 2×501110510012 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50111051009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344061 + ... + 467546.

It is an arithmetic number, because the mean of its divisors is an integer number (4557990528).

Almost surely, 250111051001 is an apocalyptic number.

It is an amenable number.

50111051001 is a deficient number, since it is larger than the sum of its proper divisors (22816797447).

50111051001 is a wasteful number, since it uses less digits than its factorization.

50111051001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813492.

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 50111051001 its reverse (10015011105), we get a palindrome (60126062106).

It can be divided in two parts, 5011105 and 1001, that multiplied together give a palindrome (5016116105).

The spelling of 50111051001 in words is "fifty billion, one hundred eleven million, fifty-one thousand, one".

Divisors: 1 3 11 33 1871 5613 20581 61743 811607 2434821 8927677 26783031 1518516697 4555550091 16703683667 50111051001