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101144433140 = 22573104966041
BaseRepresentation
bin101111000110010101…
…1011001000111110100
3100200001221002120101022
41132030223121013310
53124120433330030
6114244244120312
710210311332162
oct1361453310764
9320057076338
10101144433140
1139993439713
1217729096098
1396cb949a0a
144c77048232
15296e94ade5
hex178cad91f4

101144433140 has 48 divisors (see below), whose sum is σ = 215521462800. Its totient is φ = 39864913920.

The previous prime is 101144433107. The next prime is 101144433149. The reversal of 101144433140 is 41334441101.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3126599056 + 98017834084 = 55916^2 + 313078^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101144433149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498520 + ... + 1564560.

It is an arithmetic number, because the mean of its divisors is an integer number (4490030475).

Almost surely, 2101144433140 is an apocalyptic number.

101144433140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101144433140 is an abundant number, since it is smaller than the sum of its proper divisors (114377029660).

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

101144433140 is a wasteful number, since it uses less digits than its factorization.

101144433140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67172 (or 67170 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 101144433140 its reverse (41334441101), we get a palindrome (142478874241).

The spelling of 101144433140 in words is "one hundred one billion, one hundred forty-four million, four hundred thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1049 1460 2098 4196 5245 10490 20980 66041 76577 132082 153154 264164 306308 330205 382885 660410 765770 1320820 1531540 4820993 9641986 19283972 24104965 48209930 69277009 96419860 138554018 277108036 346385045 692770090 1385540180 5057221657 10114443314 20228886628 25286108285 50572216570 101144433140