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1020052000000 = 28561197239
BaseRepresentation
bin11101101011111111101…
…01100100110100000000
310121111221011210120022201
432311333311210310000
5113203031303000000
62100334434242544
7133460560640305
oct16657765446400
93544834716281
101020052000000
11363668841320
12145839426454
137526267bcb7
14375295c70ac
151b801d5496a
hexed7fd64d00

1020052000000 has 504 divisors, whose sum is σ = 2816851443840. Its totient is φ = 365568000000.

The previous prime is 1020051999979. The next prime is 1020052000027. The reversal of 1020052000000 is 2500201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4267999881 + ... + 4268000119.

It is an arithmetic number, because the mean of its divisors is an integer number (5588990960).

Almost surely, 21020052000000 is an apocalyptic number.

1020052000000 is a gapful number since it is divisible by the number (10) 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 1020052000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408425721920).

1020052000000 is an abundant number, since it is smaller than the sum of its proper divisors (1796799443840).

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

1020052000000 is an frugal number, since it uses more digits than its factorization.

1020052000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

Adding to 1020052000000 its reverse (2500201), we get a palindrome (1020054500201).

The spelling of 1020052000000 in words is "one trillion, twenty billion, fifty-two million", and thus it is an aban number and an uban number.