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10000210101220 = 2253138941463679
BaseRepresentation
bin1001000110000101101011…
…1110001000001111100100
31022102000021211120111112001
42101201122332020033210
52302320412241214340
633134011052135044
72051330346232303
oct221413276101744
938360254514461
1010000210101220
113206079996199
121156136167484
1357702883b481
14268026dc043a
151251dd5e529a
hex9185af883e4

10000210101220 has 48 divisors (see below), whose sum is σ = 21733602508800. Its totient is φ = 3861097695360.

The previous prime is 10000210101191. The next prime is 10000210101241. The reversal of 10000210101220 is 2210101200001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10000210101197 and 10000210101206.

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, 20490660 + ... + 20973019.

It is an arithmetic number, because the mean of its divisors is an integer number (452783385600).

Almost surely, 210000210101220 is an apocalyptic number.

10000210101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000210101220 is an abundant number, since it is smaller than the sum of its proper divisors (11733392407580).

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

10000210101220 is a wasteful number, since it uses less digits than its factorization.

10000210101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41464108 (or 41464106 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10000210101220 its reverse (2210101200001), we get a palindrome (12210311301221).

The spelling of 10000210101220 in words is "ten trillion, two hundred ten million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 389 620 778 1556 1945 3890 7780 12059 24118 48236 60295 120590 241180 41463679 82927358 165854716 207318395 414636790 829273580 1285374049 2570748098 5141496196 6426870245 12853740490 16129371131 25707480980 32258742262 64517484524 80646855655 161293711310 322587422620 500010505061 1000021010122 2000042020244 2500052525305 5000105050610 10000210101220