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140420102232 = 23320771281683
BaseRepresentation
bin1000001011000110110…
…0001011100001011000
3111102110010012021200010
42002301230023201120
54300040021232412
6144301430041520
713100512114104
oct2026154134130
9442403167603
10140420102232
115460853a173
122326a4a92a0
131031a9213b7
146b21346904
1539bca5633c
hex20b1b0b858

140420102232 has 32 divisors (see below), whose sum is σ = 351068402880. Its totient is φ = 46804281120.

The previous prime is 140420102219. The next prime is 140420102237. The reversal of 140420102232 is 232201024041.

It is a super-2 number, since 2×1404201022322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140420102199 and 140420102208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420102237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357663 + ... + 639345.

It is an arithmetic number, because the mean of its divisors is an integer number (10970887590).

Almost surely, 2140420102232 is an apocalyptic number.

140420102232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140420102232 is an abundant number, since it is smaller than the sum of its proper divisors (210648300648).

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

140420102232 is a wasteful number, since it uses less digits than its factorization.

140420102232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302463 (or 302459 counting only the distinct ones).

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

Adding to 140420102232 its reverse (232201024041), we get a palindrome (372621126273).

The spelling of 140420102232 in words is "one hundred forty billion, four hundred twenty million, one hundred two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 20771 41542 62313 83084 124626 166168 249252 281683 498504 563366 845049 1126732 1690098 2253464 3380196 6760392 5850837593 11701675186 17552512779 23403350372 35105025558 46806700744 70210051116 140420102232