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10162121631 = 328311969519
BaseRepresentation
bin10010111011011010…
…11010101110011111
3222020012211021012020
421131231122232133
5131303000343011
64400213311223
7506553415524
oct113555325637
928205737166
1010162121631
114345286432
121b77335513
13c5c47182c
146c58c514b
153e7234006
hex25db5ab9f

10162121631 has 8 divisors (see below), whose sum is σ = 13597374720. Its totient is φ = 6750808152.

The previous prime is 10162121621. The next prime is 10162121639. The reversal of 10162121631 is 13612126101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10162121631 - 27 = 10162121503 is a prime.

It is a super-2 number, since 2×101621216312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10162121639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5983911 + ... + 5985608.

It is an arithmetic number, because the mean of its divisors is an integer number (1699671840).

Almost surely, 210162121631 is an apocalyptic number.

10162121631 is a deficient number, since it is larger than the sum of its proper divisors (3435253089).

10162121631 is a wasteful number, since it uses less digits than its factorization.

10162121631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11969805.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 10162121631 its reverse (13612126101), we get a palindrome (23774247732).

The spelling of 10162121631 in words is "ten billion, one hundred sixty-two million, one hundred twenty-one thousand, six hundred thirty-one".

Divisors: 1 3 283 849 11969519 35908557 3387373877 10162121631