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20311201014 = 2313260400013
BaseRepresentation
bin10010111010101001…
…000101010011110110
31221102112002220210020
4102322221011103312
5313044131413024
613155243310010
71316221234326
oct227251052366
957375086706
1020311201014
118683163a45
123b2a21b306
131bb8cc7b50
14da9773286
157dd23d979
hex4baa454f6

20311201014 has 16 divisors (see below), whose sum is σ = 43747202352. Its totient is φ = 6249600288.

The previous prime is 20311200997. The next prime is 20311201033. The reversal of 20311201014 is 41010211302.

It is a super-2 number, since 2×203112010142 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20311200984 and 20311201002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130199929 + ... + 130200084.

It is an arithmetic number, because the mean of its divisors is an integer number (2734200147).

Almost surely, 220311201014 is an apocalyptic number.

20311201014 is an abundant number, since it is smaller than the sum of its proper divisors (23436001338).

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

20311201014 is a wasteful number, since it uses less digits than its factorization.

20311201014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260400031.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20311201014 its reverse (41010211302), we get a palindrome (61321412316).

The spelling of 20311201014 in words is "twenty billion, three hundred eleven million, two hundred one thousand, fourteen".

Divisors: 1 2 3 6 13 26 39 78 260400013 520800026 781200039 1562400078 3385200169 6770400338 10155600507 20311201014