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105450243872 = 2513923707339
BaseRepresentation
bin110001000110101010…
…0110000011100100000
3101002012000020102021212
41202031110300130200
53211430230300442
6120235420405252
710422104166221
oct1421524603440
9332160212255
10105450243872
11407a2a05a86
121852b0a6828
139c36a2200c
145164c45248
152b2297ba82
hex188d530720

105450243872 has 24 divisors (see below), whose sum is σ = 209098738800. Its totient is φ = 52345802304.

The previous prime is 105450243869. The next prime is 105450243883. The reversal of 105450243872 is 278342054501.

It is a super-2 number, since 2×1054502438722 (a number of 23 digits) contains 22 as substring.

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, 11849222 + ... + 11858117.

It is an arithmetic number, because the mean of its divisors is an integer number (8712447450).

Almost surely, 2105450243872 is an apocalyptic number.

It is an amenable number.

105450243872 is a deficient number, since it is larger than the sum of its proper divisors (103648494928).

105450243872 is a wasteful number, since it uses less digits than its factorization.

105450243872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23707488 (or 23707480 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 105450243872 in words is "one hundred five billion, four hundred fifty million, two hundred forty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 139 278 556 1112 2224 4448 23707339 47414678 94829356 189658712 379317424 758634848 3295320121 6590640242 13181280484 26362560968 52725121936 105450243872