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20182683448 = 2323109688497
BaseRepresentation
bin10010110010111110…
…110100111100111000
31221002120021112211101
4102302332310330320
5312313231332243
613134412541144
71313100656464
oct226276647470
957076245741
1020182683448
118617664884
123ab31817b4
131b984ab055
14d9667b4a4
157d1d0454d
hex4b2fb4f38

20182683448 has 16 divisors (see below), whose sum is σ = 39487859280. Its totient is φ = 9652587648.

The previous prime is 20182683431. The next prime is 20182683457. The reversal of 20182683448 is 84438628102.

It is a super-2 number, since 2×201826834482 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 20182683398 and 20182683407.

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, 54844065 + ... + 54844432.

It is an arithmetic number, because the mean of its divisors is an integer number (2467991205).

Almost surely, 220182683448 is an apocalyptic number.

It is an amenable number.

20182683448 is a deficient number, since it is larger than the sum of its proper divisors (19305175832).

20182683448 is a wasteful number, since it uses less digits than its factorization.

20182683448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109688526 (or 109688522 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 20182683448 in words is "twenty billion, one hundred eighty-two million, six hundred eighty-three thousand, four hundred forty-eight".

Divisors: 1 2 4 8 23 46 92 184 109688497 219376994 438753988 877507976 2522835431 5045670862 10091341724 20182683448