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23144550210425 = 5271721034442993
BaseRepresentation
bin1010100001100110000101…
…01100011001101101111001
310000221121010111110022010002
411100303002230121231321
511013200014323213200
6121120243134202345
74606065346550630
oct520630254315571
9100847114408102
1023144550210425
117413604242336
12271969b0533b5
13cbb6a22ac517
145a02b8bdc517
152a2099a06bd5
hex150cc2b19b79

23144550210425 has 72 divisors (see below), whose sum is σ = 35180266283136. Its totient is φ = 14791964405760.

The previous prime is 23144550210413. The next prime is 23144550210491. The reversal of 23144550210425 is 52401205544132.

It is not a de Polignac number, because 23144550210425 - 28 = 23144550210169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2987729 + ... + 7430721.

It is an arithmetic number, because the mean of its divisors is an integer number (488614809488).

Almost surely, 223144550210425 is an apocalyptic number.

23144550210425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23144550210425 is a deficient number, since it is larger than the sum of its proper divisors (12035716072711).

23144550210425 is a wasteful number, since it uses less digits than its factorization.

23144550210425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443147 (or 4443125 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 23144550210425 its reverse (52401205544132), we get a palindrome (75545755754557).

The spelling of 23144550210425 in words is "twenty-three trillion, one hundred forty-four billion, five hundred fifty million, two hundred ten thousand, four hundred twenty-five".

Divisors: 1 5 7 17 25 35 85 103 119 175 289 425 515 595 721 1445 1751 2023 2575 2975 3605 7225 8755 10115 12257 18025 29767 43775 50575 61285 148835 208369 306425 744175 1041845 4442993 5209225 22214965 31100951 75530881 111074825 155504755 377654405 457628279 528716167 777523775 1284024977 1888272025 2288141395 2643580835 3203397953 6420124885 7779680743 8988174839 11440706975 13217904175 16016989765 32100624425 38898403715 44940874195 54457765201 80084948825 132254572631 194492018575 224704370975 272288826005 661272863155 925782008417 1361444130025 3306364315775 4628910042085 23144550210425