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10001311210 = 251190921011
BaseRepresentation
bin10010101000001111…
…11110010111101010
3221211000020020202201
421110013332113222
5130440313424320
64332230450414
7502561512502
oct112407762752
927730206681
1010001311210
114272530160
121b31503a0a
13c35059237
146ac3c4a02
153d806b70a
hex2541fe5ea

10001311210 has 16 divisors (see below), whose sum is σ = 19638938592. Its totient is φ = 3636840400.

The previous prime is 10001311207. The next prime is 10001311211. The reversal of 10001311210 is 1211310001.

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

It is not an unprimeable number, because it can be changed into a prime (10001311211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45460396 + ... + 45460615.

It is an arithmetic number, because the mean of its divisors is an integer number (1227433662).

Almost surely, 210001311210 is an apocalyptic number.

10001311210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001311210 is a deficient number, since it is larger than the sum of its proper divisors (9637627382).

10001311210 is a wasteful number, since it uses less digits than its factorization.

10001311210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90921029.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10001311210 its reverse (1211310001), we get a palindrome (11212621211).

The spelling of 10001311210 in words is "ten billion, one million, three hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 90921011 181842022 454605055 909210110 1000131121 2000262242 5000655605 10001311210