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20243031044 = 2217297691633
BaseRepresentation
bin10010110110100101…
…000010010000000100
31221020202211112011112
4102312211002100010
5312424203443134
613144410224152
71314432632135
oct226645022004
957222745145
1020243031044
118648732925
123b0b425058
131ba7b4a2a2
14da06a9c8c
157d72751ce
hex4b6942404

20243031044 has 12 divisors (see below), whose sum is σ = 37509145884. Its totient is φ = 9526132224.

The previous prime is 20243031001. The next prime is 20243031049. The reversal of 20243031044 is 44013034202.

It can be written as a sum of positive squares in 2 ways, for example, as 16502485444 + 3740545600 = 128462^2 + 61160^2 .

It is not an unprimeable number, because it can be changed into a prime (20243031049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148845749 + ... + 148845884.

It is an arithmetic number, because the mean of its divisors is an integer number (3125762157).

Almost surely, 220243031044 is an apocalyptic number.

It is an amenable number.

20243031044 is a deficient number, since it is larger than the sum of its proper divisors (17266114840).

20243031044 is a wasteful number, since it uses less digits than its factorization.

20243031044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297691654 (or 297691652 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20243031044 its reverse (44013034202), we get a palindrome (64256065246).

The spelling of 20243031044 in words is "twenty billion, two hundred forty-three million, thirty-one thousand, forty-four".

Divisors: 1 2 4 17 34 68 297691633 595383266 1190766532 5060757761 10121515522 20243031044