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2051053420 = 225131929103139
BaseRepresentation
bin111101001000000…
…1001011101101100
312021221102022100111
41322100021131230
513200032202140
6535305105404
7101553444403
oct17220113554
95257368314
102051053420
11962847879
12492a88264
13268c110a0
1415658863a
15c00e97ea
hex7a40976c

2051053420 has 192 divisors, whose sum is σ = 5136768000. Its totient is φ = 681053184.

The previous prime is 2051053387. The next prime is 2051053463. The reversal of 2051053420 is 243501502.

It is a junction number, because it is equal to n+sod(n) for n = 2051053391 and 2051053400.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14755711 + ... + 14755849.

It is an arithmetic number, because the mean of its divisors is an integer number (26754000).

Almost surely, 22051053420 is an apocalyptic number.

2051053420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051053420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2568384000).

2051053420 is an abundant number, since it is smaller than the sum of its proper divisors (3085714580).

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

2051053420 is a wasteful number, since it uses less digits than its factorization.

2051053420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2051053420 is about 45288.5572744374. The cubic root of 2051053420 is about 1270.5516482503.

Adding to 2051053420 its reverse (243501502), we get a palindrome (2294554922).

The spelling of 2051053420 in words is "two billion, fifty-one million, fifty-three thousand, four hundred twenty".