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404521644032052 = 22352397765972701
BaseRepresentation
bin101101111111010010000100…
…0111001011000000000110100
31222001021220001220020021120020
41123332210020321120000310
5411010140311333011202
63552202402223005140
7151130503305022311
oct13376441071300064
91861256056207506
10404521644032052
11107990736220358
12394530081397b0
13144942c56507c1
1471c6d48569d08
1531b7809e835bc
hex16fe908e58034

404521644032052 has 48 divisors (see below), whose sum is σ = 946656551101632. Its totient is φ = 134444973657600.

The previous prime is 404521644031969. The next prime is 404521644032063. The reversal of 404521644032052 is 250230446125404.

It is a junction number, because it is equal to n+sod(n) for n = 404521644031995 and 404521644032013.

It is a congruent number.

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, 26854699 + ... + 39118002.

It is an arithmetic number, because the mean of its divisors is an integer number (19722011481284).

Almost surely, 2404521644032052 is an apocalyptic number.

It is an amenable number.

404521644032052 is an abundant number, since it is smaller than the sum of its proper divisors (542134907069580).

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

404521644032052 is a wasteful number, since it uses less digits than its factorization.

404521644032052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65974208 (or 65974206 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 404521644032052 in words is "four hundred four trillion, five hundred twenty-one billion, six hundred forty-four million, thirty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 523 977 1046 1569 1954 2092 2931 3138 3908 5862 6276 11724 510971 1021942 1532913 2043884 3065826 6131652 65972701 131945402 197918103 263890804 395836206 791672412 34503722623 64455328877 69007445246 103511167869 128910657754 138014890492 193365986631 207022335738 257821315508 386731973262 414044671476 773463946524 33710137002671 67420274005342 101130411008013 134840548010684 202260822016026 404521644032052