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428012371224844 = 227157138731701819
BaseRepresentation
bin110000101010001100110010…
…1010110001010100100001100
32002010110120202001202100202121
41201110121211112022210030
5422100023314013143334
64114150100251302324
7156103605363444430
oct14124314526124414
92063416661670677
10428012371224844
1111441803332a22a
12400077b914a9a4
13154a9516465413
147799ca31969c0
1534738b6077db4
hex185466558a90c

428012371224844 has 48 divisors (see below), whose sum is σ = 861484566539520. Its totient is φ = 182263931254080.

The previous prime is 428012371224817. The next prime is 428012371224853. The reversal of 428012371224844 is 448422173210824.

It is a junction number, because it is equal to n+sod(n) for n = 428012371224791 and 428012371224800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609510567 + ... + 610212385.

It is an arithmetic number, because the mean of its divisors is an integer number (17947595136240).

Almost surely, 2428012371224844 is an apocalyptic number.

It is an amenable number.

428012371224844 is an abundant number, since it is smaller than the sum of its proper divisors (433472195314676).

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

428012371224844 is a wasteful number, since it uses less digits than its factorization.

428012371224844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840718 (or 840716 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 52.

The spelling of 428012371224844 in words is "four hundred twenty-eight trillion, twelve billion, three hundred seventy-one million, two hundred twenty-four thousand, eight hundred forty-four".

Divisors: 1 2 4 7 14 28 157 314 628 1099 2198 4396 138731 277462 554924 701819 971117 1403638 1942234 2807276 3884468 4912733 9825466 19650932 21780767 43561534 87123068 110185583 152465369 220371166 304930738 440742332 609861476 771299081 1542598162 3085196324 97364051689 194728103378 389456206756 681548361823 1363096723646 2726193447292 15286156115173 30572312230346 61144624460692 107003092806211 214006185612422 428012371224844