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10102001021210 = 257415776179887
BaseRepresentation
bin1001001100000000111000…
…1011101011000100011010
31022202202000211011000010202
42103000032023223010122
52311002344230134320
633252443432542202
72061563000620010
oct223001613530432
938682024130122
1010102001021210
113245264243a5a
121171a03851962
135837cb3ac087
1426cd21c328b0
15127b99b92b75
hex9300e2eb11a

10102001021210 has 128 divisors (see below), whose sum is σ = 21361736503296. Its totient is φ = 3367402536960.

The previous prime is 10102001021141. The next prime is 10102001021219. The reversal of 10102001021210 is 1212010020101.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10102001021191 and 10102001021200.

It is not an unprimeable number, because it can be changed into a prime (10102001021219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1021740887 + ... + 1021750773.

It is an arithmetic number, because the mean of its divisors is an integer number (166888566432).

Almost surely, 210102001021210 is an apocalyptic number.

10102001021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10102001021210 is an abundant number, since it is smaller than the sum of its proper divisors (11259735482086).

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

10102001021210 is a wasteful number, since it uses less digits than its factorization.

10102001021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11136.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10102001021210 its reverse (1212010020101), we get a palindrome (11314011041311).

The spelling of 10102001021210 in words is "ten trillion, one hundred two billion, one million, twenty-one thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 41 70 82 205 287 410 574 577 617 1154 1234 1435 2870 2885 3085 4039 4319 5770 6170 8078 8638 9887 19774 20195 21595 23657 25297 40390 43190 47314 49435 50594 69209 98870 118285 126485 138418 165599 177079 236570 252970 331198 346045 354158 356009 405367 692090 712018 810734 827995 885395 1655990 1770790 1780045 2026835 2492063 2837569 3560090 4053670 4984126 5675138 5704799 6100279 11409598 12200558 12460315 14187845 14596369 24920630 28375690 28523995 29192738 30501395 39933593 42701953 57047990 61002790 72981845 79867186 85403906 102174583 145963690 199667965 204349166 213509765 233896759 250111439 399335930 427019530 467793518 500222878 510872915 1021745830 1169483795 1250557195 1637277313 1750780073 2338967590 2501114390 3274554626 3501560146 3519860983 7039721966 8186386565 8753900365 16372773130 17507800730 17599304915 24639026881 35198609830 49278053762 123195134405 144314300303 246390268810 288628600606 721571501515 1010200102121 1443143003030 2020400204242 5051000510605 10102001021210