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1021012202000 = 2453772929443
BaseRepresentation
bin11101101101110010001…
…00011101001000010000
310121121102002120212211202
432312321010131020100
5113212013110431000
62101014014530332
7133523430344120
oct16667104351020
93547362525752
101021012202000
1136401085229a
12145a66b069a8
137538659356b
14375bad34c80
151b85b2c3dd5
hexedb911d210

1021012202000 has 80 divisors (see below), whose sum is σ = 2821494329472. Its totient is φ = 350061321600.

The previous prime is 1021012201969. The next prime is 1021012202039. The reversal of 1021012202000 is 2022101201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36450722 + ... + 36478721.

Almost surely, 21021012202000 is an apocalyptic number.

1021012202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021012202000 is an abundant number, since it is smaller than the sum of its proper divisors (1800482127472).

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

1021012202000 is an equidigital number, since it uses as much as digits as its factorization.

1021012202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72929473 (or 72929457 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1021012202000 its reverse (2022101201), we get a palindrome (1023034303201).

The spelling of 1021012202000 in words is "one trillion, twenty-one billion, twelve million, two hundred two thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 700 875 1000 1400 1750 2000 2800 3500 7000 14000 72929443 145858886 291717772 364647215 510506101 583435544 729294430 1021012202 1166871088 1458588860 1823236075 2042024404 2552530505 2917177720 3646472150 4084048808 5105061010 5834355440 7292944300 8168097616 9116180375 10210122020 12762652525 14585888600 18232360750 20420244040 25525305050 29171777200 36464721500 40840488080 51050610100 63813262625 72929443000 102101220200 127626525250 145858886000 204202440400 255253050500 510506101000 1021012202000