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140123102620 = 22512791547741
BaseRepresentation
bin1000001001111111111…
…1001101110110011100
3111101200102100010210111
42002133333031312130
54243433003240440
6144212140215404
713060244502034
oct2023777156634
9441612303714
10140123102620
1154475924a46
12231a6b3a564
13102a1234197
146ad3b148c4
1539a193b4ea
hex209ffcdd9c

140123102620 has 24 divisors (see below), whose sum is σ = 294282057888. Its totient is φ = 56044756800.

The previous prime is 140123102611. The next prime is 140123102621. The reversal of 140123102620 is 26201321041.

It is a junction number, because it is equal to n+sod(n) for n = 140123102591 and 140123102600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140123102621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18051 + ... + 529690.

It is an arithmetic number, because the mean of its divisors is an integer number (12261752412).

Almost surely, 2140123102620 is an apocalyptic number.

140123102620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140123102620 is an abundant number, since it is smaller than the sum of its proper divisors (154158955268).

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

140123102620 is a wasteful number, since it uses less digits than its factorization.

140123102620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560541 (or 560539 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 140123102620 its reverse (26201321041), we get a palindrome (166324423661).

The spelling of 140123102620 in words is "one hundred forty billion, one hundred twenty-three million, one hundred two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 12791 25582 51164 63955 127910 255820 547741 1095482 2190964 2738705 5477410 10954820 7006155131 14012310262 28024620524 35030775655 70061551310 140123102620