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1000213021300 = 225238925712417
BaseRepresentation
bin11101000111000010101…
…01111000001001110100
310112121201120021000202211
432203201111320021310
5112341414013140200
62043254100143204
7132156132255253
oct16434125701164
93477646230684
101000213021300
113562081a1a59
12141a21397b04
137342046194c
14365a685879a
151b0402e3aba
hexe8e1578274

1000213021300 has 36 divisors (see below), whose sum is σ = 2176041935340. Its totient is φ = 399056696320.

The previous prime is 1000213021277. The next prime is 1000213021303. The reversal of 1000213021300 is 31203120001.

It can be written as a sum of positive squares in 6 ways, for example, as 50278195984 + 949934825316 = 224228^2 + 974646^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000213021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12817309 + ... + 12895108.

It is an arithmetic number, because the mean of its divisors is an integer number (60445609315).

Almost surely, 21000213021300 is an apocalyptic number.

1000213021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000213021300 is an abundant number, since it is smaller than the sum of its proper divisors (1175828914040).

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

1000213021300 is a wasteful number, since it uses less digits than its factorization.

1000213021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25712820 (or 25712813 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1000213021300 its reverse (31203120001), we get a palindrome (1031416141301).

The spelling of 1000213021300 in words is "one trillion, two hundred thirteen million, twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 389 778 1556 1945 3890 7780 9725 19450 38900 25712417 51424834 102849668 128562085 257124170 514248340 642810425 1285620850 2571241700 10002130213 20004260426 40008520852 50010651065 100021302130 200042604260 250053255325 500106510650 1000213021300