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20315010134 = 253659290821
BaseRepresentation
bin10010111010110111…
…100111010001010110
31221102210021102220202
4102322313213101112
5313101120311014
613155501100502
71316265510536
oct227267472126
957383242822
1020315010134
118685325881
123b2b557732
131bb9a2c873
14daa0854c6
157dd7423de
hex4bade7456

20315010134 has 16 divisors (see below), whose sum is σ = 31094688240. Its totient is φ = 9950697120.

The previous prime is 20315010119. The next prime is 20315010137. The reversal of 20315010134 is 43101051302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315010137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75557 + ... + 215264.

It is an arithmetic number, because the mean of its divisors is an integer number (1943418015).

Almost surely, 220315010134 is an apocalyptic number.

20315010134 is a deficient number, since it is larger than the sum of its proper divisors (10779678106).

20315010134 is a wasteful number, since it uses less digits than its factorization.

20315010134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291535.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20315010134 its reverse (43101051302), we get a palindrome (63416061436).

The spelling of 20315010134 in words is "twenty billion, three hundred fifteen million, ten thousand, one hundred thirty-four".

Divisors: 1 2 53 106 659 1318 34927 69854 290821 581642 15413513 30827026 191651039 383302078 10157505067 20315010134