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20103145324 = 2237203966617
BaseRepresentation
bin10010101110001111…
…011010011101101100
31220220000121121000221
4102232033122131230
5312132401122244
613122452101124
71311113626063
oct225617323554
956800547027
1020103145324
118586779699
123a906047a4
131b84b7cc82
14d89c951da
157c9d42784
hex4ae3da76c

20103145324 has 24 divisors (see below), whose sum is σ = 36149591520. Its totient is φ = 9774965376.

The previous prime is 20103145313. The next prime is 20103145367. The reversal of 20103145324 is 42354130102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268464 + ... + 335080.

It is an arithmetic number, because the mean of its divisors is an integer number (1506232980).

Almost surely, 220103145324 is an apocalyptic number.

It is an amenable number.

20103145324 is a deficient number, since it is larger than the sum of its proper divisors (16046446196).

20103145324 is a wasteful number, since it uses less digits than its factorization.

20103145324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68697 (or 68695 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20103145324 its reverse (42354130102), we get a palindrome (62457275426).

The spelling of 20103145324 in words is "twenty billion, one hundred three million, one hundred forty-five thousand, three hundred twenty-four".

Divisors: 1 2 4 37 74 148 2039 4078 8156 66617 75443 133234 150886 266468 301772 2464829 4929658 9859316 135832063 271664126 543328252 5025786331 10051572662 20103145324