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20310099426 = 2321128338857
BaseRepresentation
bin10010111010100100…
…111000010111100010
31221102110000221200200
4102322210320113202
5313043341140201
613155203530030
71316205665601
oct227244702742
957373027620
1020310099426
118682581341
123b29989916
131bb8a00616
14da9567a38
157dd0c2386
hex4ba9385e2

20310099426 has 12 divisors (see below), whose sum is σ = 44005215462. Its totient is φ = 6770033136.

The previous prime is 20310099379. The next prime is 20310099473. The reversal of 20310099426 is 62499001302.

It is an interprime number because it is at equal distance from previous prime (20310099379) and next prime (20310099473).

It can be written as a sum of positive squares in only one way, i.e., 13067919225 + 7242180201 = 114315^2 + 85101^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564169411 + ... + 564169446.

Almost surely, 220310099426 is an apocalyptic number.

20310099426 is an abundant number, since it is smaller than the sum of its proper divisors (23695116036).

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

20310099426 is a wasteful number, since it uses less digits than its factorization.

20310099426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128338865 (or 1128338862 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 20310099426 in words is "twenty billion, three hundred ten million, ninety-nine thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 1128338857 2256677714 3385016571 6770033142 10155049713 20310099426