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20401023414 = 2323292175783
BaseRepresentation
bin10010111111111111…
…101110100110110110
31221122210010100221210
4102333333232212312
5313240130222124
613212212422250
71321361560242
oct227777564666
957583110853
1020401023414
118719933932
123b54317986
131c017b6cb5
14db7675422
157e6082a29
hex4bffee9b6

20401023414 has 48 divisors (see below), whose sum is σ = 44095064832. Its totient is φ = 6280339296.

The previous prime is 20401023403. The next prime is 20401023421. The reversal of 20401023414 is 41432010402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28167 + ... + 203949.

It is an arithmetic number, because the mean of its divisors is an integer number (918647184).

Almost surely, 220401023414 is an apocalyptic number.

20401023414 is an abundant number, since it is smaller than the sum of its proper divisors (23694041418).

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

20401023414 is a wasteful number, since it uses less digits than its factorization.

20401023414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175869 (or 175840 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20401023414 its reverse (41432010402), we get a palindrome (61833033816).

The spelling of 20401023414 in words is "twenty billion, four hundred one million, twenty-three thousand, four hundred fourteen".

Divisors: 1 2 3 6 23 29 46 58 69 87 138 174 667 841 1334 1682 2001 2523 4002 5046 19343 38686 58029 116058 175783 351566 527349 1054698 4043009 5097707 8086018 10195414 12129027 15293121 24258054 30586242 117247261 147833503 234494522 295667006 351741783 443500509 703483566 887001018 3400170569 6800341138 10200511707 20401023414