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10505545454 = 2171931600967
BaseRepresentation
bin10011100100010110…
…11110011011101110
31000010011001000010002
421302023132123232
5133003404423304
64454242144302
7521223443255
oct116213363356
930104030102
1010505545454
114501119878
122052352092
13cb56646b1
1471935d79c
1541746e31e
hex2722de6ee

10505545454 has 16 divisors (see below), whose sum is σ = 16771740768. Its totient is φ = 4918167552.

The previous prime is 10505545429. The next prime is 10505545507. The reversal of 10505545454 is 45454550501.

It is a super-2 number, since 2×105055454542 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793922 + ... + 807045.

It is an arithmetic number, because the mean of its divisors is an integer number (1048233798).

Almost surely, 210505545454 is an apocalyptic number.

10505545454 is a deficient number, since it is larger than the sum of its proper divisors (6266195314).

10505545454 is a wasteful number, since it uses less digits than its factorization.

10505545454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601179.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 10505545454 in words is "ten billion, five hundred five million, five hundred forty-five thousand, four hundred fifty-four".

Divisors: 1 2 17 34 193 386 3281 6562 1600967 3201934 27216439 54432878 308986631 617973262 5252772727 10505545454