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10072218512 = 242359523887
BaseRepresentation
bin10010110000101100…
…11101101110010000
3221222221122201022002
421120112131232100
5131111441443022
64343242333132
7504412305356
oct113026355620
927887581262
1010072218512
1142a9560934
121b511ba1a8
13c46954a15
146b79a17d6
153de3c6092
hex25859db90

10072218512 has 80 divisors (see below), whose sum is σ = 20771527680. Its totient is φ = 4721118336.

The previous prime is 10072218509. The next prime is 10072218517. The reversal of 10072218512 is 21581227001.

It is not an unprimeable number, because it can be changed into a prime (10072218517) 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, 11354933 + ... + 11355819.

It is an arithmetic number, because the mean of its divisors is an integer number (259644096).

Almost surely, 210072218512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10072218512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10385763840).

10072218512 is an abundant number, since it is smaller than the sum of its proper divisors (10699309168).

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

10072218512 is a wasteful number, since it uses less digits than its factorization.

10072218512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The spelling of 10072218512 in words is "ten billion, seventy-two million, two hundred eighteen thousand, five hundred twelve".

Divisors: 1 2 4 8 16 23 46 59 92 118 184 236 368 472 523 887 944 1046 1357 1774 2092 2714 3548 4184 5428 7096 8368 10856 12029 14192 20401 21712 24058 30857 40802 48116 52333 61714 81604 96232 104666 123428 163208 192464 209332 246856 326416 418664 463901 493712 709711 837328 927802 1203659 1419422 1855604 2407318 2838844 3711208 4814636 5677688 7422416 9629272 10669723 11355376 19258544 21339446 27370159 42678892 54740318 85357784 109480636 170715568 218961272 437922544 629513657 1259027314 2518054628 5036109256 10072218512