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102001201210 = 25409109122859
BaseRepresentation
bin101111011111110111…
…1101101000000111010
3100202021122020220020001
41132333233231000322
53132344301414320
6114505251423214
710240453622236
oct1367757550072
9322248226201
10102001201210
113a2930231a7
1217927bb4b0a
1398072b777c
144d18b4d5c6
1529bec8820a
hex17bfbed03a

102001201210 has 32 divisors (see below), whose sum is σ = 184227825600. Its totient is φ = 40661639040.

The previous prime is 102001201193. The next prime is 102001201231. The reversal of 102001201210 is 12102100201.

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

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, 4450761 + ... + 4473619.

It is an arithmetic number, because the mean of its divisors is an integer number (5757119550).

Almost surely, 2102001201210 is an apocalyptic number.

102001201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102001201210 is a deficient number, since it is larger than the sum of its proper divisors (82226624390).

102001201210 is a wasteful number, since it uses less digits than its factorization.

102001201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24366.

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

Adding to 102001201210 its reverse (12102100201), we get a palindrome (114103301411).

The spelling of 102001201210 in words is "one hundred two billion, one million, two hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 409 818 1091 2045 2182 4090 5455 10910 22859 45718 114295 228590 446219 892438 2231095 4462190 9349331 18698662 24939169 46746655 49878338 93493310 124695845 249391690 10200120121 20400240242 51000600605 102001201210