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1020211001210 = 252833541101807
BaseRepresentation
bin11101101100010010101…
…00000111011101111010
310121112100020222122222102
432312021110013131322
5113203343004014320
62100402314223402
7133464531266552
oct16661124073572
93545306878872
101020211001210
1136373a571285
12145882724b62
13752895acc5b
1437542776162
151b810cb1175
hexed8950777a

1020211001210 has 32 divisors (see below), whose sum is σ = 1843407320832. Its totient is φ = 406523574720.

The previous prime is 1020211001189. The next prime is 1020211001221. The reversal of 1020211001210 is 121001120201.

It is a junction number, because it is equal to n+sod(n) for n = 1020211001191 and 1020211001200.

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, 9970127 + ... + 10071933.

It is an arithmetic number, because the mean of its divisors is an integer number (57606478776).

Almost surely, 21020211001210 is an apocalyptic number.

1020211001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020211001210 is a deficient number, since it is larger than the sum of its proper divisors (823196319622).

1020211001210 is a wasteful number, since it uses less digits than its factorization.

1020211001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105638.

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

Adding to 1020211001210 its reverse (121001120201), we get a palindrome (1141212121411).

The spelling of 1020211001210 in words is "one trillion, twenty billion, two hundred eleven million, one thousand, two hundred ten".

Divisors: 1 2 5 10 283 566 1415 2830 3541 7082 17705 35410 101807 203614 509035 1002103 1018070 2004206 5010515 10021030 28811381 57622762 144056905 288113810 360498587 720997174 1802492935 3604985870 102021100121 204042200242 510105500605 1020211001210