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21030112012010 = 2537188593013847
BaseRepresentation
bin1001100100000011101000…
…10110110010011011101010
32202110110101122221122002212
410302001310112302123222
510224024132133341020
6112421033341325122
74300242531451253
oct462016426623352
982413348848085
1021030112012010
116778902a82272
122437939b667a2
13b97191c0275a
14529c11949b2a
15267094e9ecc5
hex1320745b26ea

21030112012010 has 32 divisors (see below), whose sum is σ = 38879362523520. Its totient is φ = 8184255532992.

The previous prime is 21030112011929. The next prime is 21030112012057. The reversal of 21030112012010 is 1021021103012.

It is a super-2 number, since 2×210301120120102 (a number of 27 digits) contains 22 as substring.

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, 5470907 + ... + 8484753.

It is an arithmetic number, because the mean of its divisors is an integer number (1214980078860).

Almost surely, 221030112012010 is an apocalyptic number.

21030112012010 is a deficient number, since it is larger than the sum of its proper divisors (17849250511510).

21030112012010 is a wasteful number, since it uses less digits than its factorization.

21030112012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032750.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21030112012010 its reverse (1021021103012), we get a palindrome (22051133115022).

The spelling of 21030112012010 in words is "twenty-one trillion, thirty billion, one hundred twelve million, twelve thousand, ten".

Divisors: 1 2 5 10 37 74 185 370 18859 37718 94295 188590 697783 1395566 3013847 3488915 6027694 6977830 15069235 30138470 111512339 223024678 557561695 1115123390 56838140573 113676281146 284190702865 568381405730 2103011201201 4206022402402 10515056006005 21030112012010