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20310147476 = 228361175143
BaseRepresentation
bin10010111010100101…
…000100000110010100
31221102110010101121022
4102322211010012110
5313043344204401
613155204540312
71316206255643
oct227245040624
957373111538
1020310147476
118682604453
123b299b1698
131bb8a19458
14da957b35a
157dd0d171b
hex4ba944194

20310147476 has 12 divisors (see below), whose sum is σ = 35970984672. Its totient is φ = 10032723288.

The previous prime is 20310147461. The next prime is 20310147499. The reversal of 20310147476 is 67474101302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30587240 + ... + 30587903.

It is an arithmetic number, because the mean of its divisors is an integer number (2997582056).

Almost surely, 220310147476 is an apocalyptic number.

It is an amenable number.

20310147476 is a deficient number, since it is larger than the sum of its proper divisors (15660837196).

20310147476 is a wasteful number, since it uses less digits than its factorization.

20310147476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61175230 (or 61175228 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 20310147476 its reverse (67474101302), we get a palindrome (87784248778).

The spelling of 20310147476 in words is "twenty billion, three hundred ten million, one hundred forty-seven thousand, four hundred seventy-six".

Divisors: 1 2 4 83 166 332 61175143 122350286 244700572 5077536869 10155073738 20310147476