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20292883545 = 3511299743721
BaseRepresentation
bin10010111001100011…
…001101010001011001
31221101020122021221110
4102321203031101121
5313024434233140
613153350530533
71315606443534
oct227143152131
957336567843
1020292883545
118673892840
123b24066a49
131bb52834cc
14da7165a1b
157db821380
hex4b98cd459

20292883545 has 64 divisors (see below), whose sum is σ = 37020291840. Its totient is φ = 9401548800.

The previous prime is 20292883543. The next prime is 20292883547. The reversal of 20292883545 is 54538829202.

It is an interprime number because it is at equal distance from previous prime (20292883543) and next prime (20292883547).

It is not a de Polignac number, because 20292883545 - 21 = 20292883543 is a prime.

It is a super-2 number, since 2×202928835452 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20292883494 and 20292883503.

It is not an unprimeable number, because it can be changed into a prime (20292883543) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 442285 + ... + 486005.

It is an arithmetic number, because the mean of its divisors is an integer number (578442060).

Almost surely, 220292883545 is an apocalyptic number.

It is an amenable number.

20292883545 is a deficient number, since it is larger than the sum of its proper divisors (16727408295).

20292883545 is a wasteful number, since it uses less digits than its factorization.

20292883545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43866.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 20292883545 in words is "twenty billion, two hundred ninety-two million, eight hundred eighty-three thousand, five hundred forty-five".

Divisors: 1 3 5 11 15 29 33 55 87 97 145 165 291 319 435 485 957 1067 1455 1595 2813 3201 4785 5335 8439 14065 16005 30943 42195 43721 92829 131163 154715 218605 464145 480931 655815 1267909 1442793 2404655 3803727 4240937 6339545 7213965 12722811 13946999 19018635 21204685 41840997 46650307 63614055 69734995 122987173 139950921 209204985 233251535 368961519 614935865 699754605 1352858903 1844807595 4058576709 6764294515 20292883545