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20311162726 = 2173494633697
BaseRepresentation
bin10010111010101000…
…111011111101100110
31221102112000222021011
4102322220323331212
5313044124201401
613155242412434
71316221014601
oct227250737546
957375028234
1020311162726
1186831381a8
123b2a20111a
131bb8cb35aa
14da9763338
157dd232451
hex4baa3bf66

20311162726 has 32 divisors (see below), whose sum is σ = 32429980800. Its totient is φ = 9507649536.

The previous prime is 20311162699. The next prime is 20311162727. The reversal of 20311162726 is 62726111302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311162727) 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, 5492110 + ... + 5495806.

It is an arithmetic number, because the mean of its divisors is an integer number (1013436900).

Almost surely, 220311162726 is an apocalyptic number.

20311162726 is a deficient number, since it is larger than the sum of its proper divisors (12118818074).

20311162726 is a wasteful number, since it uses less digits than its factorization.

20311162726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 20311162726 in words is "twenty billion, three hundred eleven million, one hundred sixty-two thousand, seven hundred twenty-six".

Divisors: 1 2 17 34 349 463 698 926 3697 5933 7394 7871 11866 15742 62849 125698 161587 323174 1290253 1711711 2580506 2746979 3423422 5493958 21934301 29099087 43868602 58198174 597387139 1194774278 10155581363 20311162726