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101020102210 = 2519975058593
BaseRepresentation
bin101111000010101000…
…1000110111001000010
3100122202021010220102001
41132011101012321002
53123342121232320
6114224043214214
710204241462266
oct1360521067102
9318667126361
10101020102210
113992a239a85
12176b351736a
1396abc67711
144c647220a6
152963a8c20a
hex1785446e42

101020102210 has 16 divisors (see below), whose sum is σ = 181927274616. Its totient is φ = 40387798528.

The previous prime is 101020102207. The next prime is 101020102217. The reversal of 101020102210 is 12201020101.

It can be written as a sum of positive squares in 4 ways, for example, as 71931776401 + 29088325809 = 268201^2 + 170553^2 .

It is a super-2 number, since 2×1010201022102 (a number of 23 digits) contains 22 as substring.

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 (101020102217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509327 + ... + 2549266.

Almost surely, 2101020102210 is an apocalyptic number.

101020102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101020102210 is a deficient number, since it is larger than the sum of its proper divisors (80907172406).

101020102210 is a wasteful number, since it uses less digits than its factorization.

101020102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060597.

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

Adding to 101020102210 its reverse (12201020101), we get a palindrome (113221122311).

The spelling of 101020102210 in words is "one hundred one billion, twenty million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 1997 3994 9985 19970 5058593 10117186 25292965 50585930 10102010221 20204020442 50510051105 101020102210