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10234420540 = 2254346325703
BaseRepresentation
bin10011000100000010…
…01101110100111100
3222102020212102122121
421202001031310330
5131430002424130
64411315052324
7511422065521
oct114201156474
928366772577
1010234420540
1143820776a3
121b975a10a4
13c71436856
146d1345148
153ed765d7a
hex26204dd3c

10234420540 has 48 divisors (see below), whose sum is σ = 22040460288. Its totient is φ = 3989772864.

The previous prime is 10234420523. The next prime is 10234420543. The reversal of 10234420540 is 4502443201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10234420543) 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, 385329 + ... + 411031.

It is an arithmetic number, because the mean of its divisors is an integer number (459176256).

Almost surely, 210234420540 is an apocalyptic number.

10234420540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10234420540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11020230144).

10234420540 is an abundant number, since it is smaller than the sum of its proper divisors (11806039748).

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

10234420540 is a wasteful number, since it uses less digits than its factorization.

10234420540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26218 (or 26216 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 10234420540 its reverse (4502443201), we get a palindrome (14736863741).

The spelling of 10234420540 in words is "ten billion, two hundred thirty-four million, four hundred twenty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 463 860 926 1852 2315 4630 9260 19909 25703 39818 51406 79636 99545 102812 128515 199090 257030 398180 514060 1105229 2210458 4420916 5526145 11052290 11900489 22104580 23800978 47601956 59502445 119004890 238009780 511721027 1023442054 2046884108 2558605135 5117210270 10234420540