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445074636328836 = 223231799008878559
BaseRepresentation
bin110010100110010110000001…
…1100110001100111110000100
32011100212201102122201121020220
41211030230003212030332010
5431314100323400010321
64214332244255224340
7162514403253051543
oct14514540346147604
92140781378647226
10445074636328836
111198a6103154818
1241b025432180b0
1316146486a20c57
147bc9a27b5815a
15366c62cbe99c6
hex194cb0398cf84

445074636328836 has 48 divisors (see below), whose sum is σ = 1089713950617600. Its totient is φ = 141115073732512.

The previous prime is 445074636328831. The next prime is 445074636328837. The reversal of 445074636328836 is 638823636470544.

It is a super-2 number, since 2×4450746363288362 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (445074636328831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4504389876 + ... + 4504488683.

It is an arithmetic number, because the mean of its divisors is an integer number (22702373971200).

Almost surely, 2445074636328836 is an apocalyptic number.

445074636328836 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

445074636328836 is an abundant number, since it is smaller than the sum of its proper divisors (644639314288764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445074636328836 is a wasteful number, since it uses less digits than its factorization.

445074636328836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008878768 (or 9008878766 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 69.

The spelling of 445074636328836 in words is "four hundred forty-five trillion, seventy-four billion, six hundred thirty-six million, three hundred twenty-eight thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 179 276 358 537 716 1074 2148 4117 8234 12351 16468 24702 49404 9008878559 18017757118 27026635677 36035514236 54053271354 108106542708 207204206857 414408413714 621612620571 828816827428 1243225241142 1612589262061 2486450482284 3225178524122 4837767786183 6450357048244 9675535572366 19351071144732 37089553027403 74179106054806 111268659082209 148358212109612 222537318164418 445074636328836