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20315889010 = 2512716795789
BaseRepresentation
bin10010111010111010…
…111101110101110010
31221102211221002111201
4102322322331311302
5313101331422020
613155532001414
71316306131054
oct227272756562
957384832451
1020315889010
11868587611a
123b2b90026a
131bb9c79901
14daa2338d4
157dd867a0a
hex4baebdd72

20315889010 has 32 divisors (see below), whose sum is σ = 37077626880. Its totient is φ = 8014007232.

The previous prime is 20315889007. The next prime is 20315889017. The reversal of 20315889010 is 1098851302.

It is not an unprimeable number, because it can be changed into a prime (20315889017) 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, 164196 + ... + 259984.

It is an arithmetic number, because the mean of its divisors is an integer number (1158675840).

Almost surely, 220315889010 is an apocalyptic number.

20315889010 is a deficient number, since it is larger than the sum of its proper divisors (16761737870).

20315889010 is a wasteful number, since it uses less digits than its factorization.

20315889010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96090.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 20315889010 in words is "twenty billion, three hundred fifteen million, eight hundred eighty-nine thousand, ten".

Divisors: 1 2 5 10 127 167 254 334 635 835 1270 1670 21209 42418 95789 106045 191578 212090 478945 957890 12165203 15996763 24330406 31993526 60826015 79983815 121652030 159967630 2031588901 4063177802 10157944505 20315889010