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50479142420 = 2257271772
BaseRepresentation
bin101111000000110010…
…101001011000010100
311211021222102010110102
4233000302221120110
51311340130024140
635104555113232
73434630426300
oct570062513024
9154258363412
1050479142420
111a454183923
129949442818
1349b6101255
14262c216d00
1514a698ce15
hexbc0ca9614

50479142420 has 54 divisors (see below), whose sum is σ = 123330517758. Its totient is φ = 17304723072.

The previous prime is 50479142419. The next prime is 50479142447. The reversal of 50479142420 is 2424197405.

It can be written as a sum of positive squares in 3 ways, for example, as 28327582864 + 22151559556 = 168308^2 + 148834^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7029872 + ... + 7037048.

It is an arithmetic number, because the mean of its divisors is an integer number (2283898477).

Almost surely, 250479142420 is an apocalyptic number.

It is an amenable number.

50479142420 is an abundant number, since it is smaller than the sum of its proper divisors (72851375338).

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

50479142420 is an frugal number, since it uses more digits than its factorization.

50479142420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14377 (or 7191 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 50479142420 in words is "fifty billion, four hundred seventy-nine million, one hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 7177 14354 28708 35885 50239 71770 100478 143540 200956 251195 351673 502390 703346 1004780 1406692 1758365 3516730 7033460 51509329 103018658 206037316 257546645 360565303 515093290 721130606 1030186580 1442261212 1802826515 2523957121 3605653030 5047914242 7211306060 10095828484 12619785605 25239571210 50479142420