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1021213204300 = 2252231792480479
BaseRepresentation
bin11101101110001010000…
…11001101111101001100
310121121221002210212011101
432313011003031331030
5113212421040014200
62101045555032444
7133531421004502
oct16670503157514
93547832725141
101021213204300
1136410425a2a3
12145b0229b724
13753b910bb33
14375d98d8672
151b86dc7a26a
hexedc50cdf4c

1021213204300 has 72 divisors (see below), whose sum is σ = 2325301171200. Its totient is φ = 388542073920.

The previous prime is 1021213204279. The next prime is 1021213204307. The reversal of 1021213204300 is 34023121201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1021213204307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 828540 + ... + 1651939.

It is an arithmetic number, because the mean of its divisors is an integer number (32295849600).

Almost surely, 21021213204300 is an apocalyptic number.

1021213204300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021213204300 is an abundant number, since it is smaller than the sum of its proper divisors (1304087966900).

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

1021213204300 is a wasteful number, since it uses less digits than its factorization.

1021213204300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480695 (or 2480688 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1021213204300 its reverse (34023121201), we get a palindrome (1055236325501).

The spelling of 1021213204300 in words is "one trillion, twenty-one billion, two hundred thirteen million, two hundred four thousand, three hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 115 179 230 358 460 575 716 895 1150 1790 2300 3580 4117 4475 8234 8950 16468 17900 20585 41170 82340 102925 205850 411700 2480479 4960958 9921916 12402395 24804790 49609580 57051017 62011975 114102034 124023950 228204068 248047900 285255085 444005741 570510170 888011482 1141020340 1426275425 1776022964 2220028705 2852550850 4440057410 5705101700 8880114820 10212132043 11100143525 20424264086 22200287050 40848528172 44400574100 51060660215 102121320430 204242640860 255303301075 510606602150 1021213204300