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1021213330330 = 25293539975709
BaseRepresentation
bin11101101110001010000…
…11101100101110011010
310121121221010001021001011
432313011003230232122
5113212421103032310
62101050001444134
7133531422041104
oct16670503545632
93547833037034
101021213330330
11364104335a56
12145b0234064a
13753b91542cb
14375d992c574
151b86dca278a
hexedc50ecb9a

1021213330330 has 32 divisors (see below), whose sum is σ = 1906956723600. Its totient is φ = 393282312192.

The previous prime is 1021213330309. The next prime is 1021213330349. The reversal of 1021213330330 is 330333121201.

It can be written as a sum of positive squares in 8 ways, for example, as 632739111601 + 388474218729 = 795449^2 + 623277^2 .

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, 4885485 + ... + 5090224.

Almost surely, 21021213330330 is an apocalyptic number.

1021213330330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021213330330 is a deficient number, since it is larger than the sum of its proper divisors (885743393270).

1021213330330 is a wasteful number, since it uses less digits than its factorization.

1021213330330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9976098.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1021213330330 its reverse (330333121201), we get a palindrome (1351546451531).

The spelling of 1021213330330 in words is "one trillion, twenty-one billion, two hundred thirteen million, three hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 353 706 1765 3530 10237 20474 51185 102370 9975709 19951418 49878545 99757090 289295561 578591122 1446477805 2892955610 3521425277 7042850554 17607126385 35214252770 102121333033 204242666066 510606665165 1021213330330