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10102818 = 2311153073
BaseRepresentation
bin100110100010…
…100000100010
3201000021110110
4212202200202
510041242233
61000312150
7151605165
oct46424042
921007413
1010102818
115780440
123472656
1321295cb
1414adadc
15d48663
hex9a2822

10102818 has 16 divisors (see below), whose sum is σ = 22042656. Its totient is φ = 3061440.

The previous prime is 10102789. The next prime is 10102837. The reversal of 10102818 is 81820101.

It is a super-2 number, since 2×101028182 = 204133863082248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10102794 and 10102803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76471 + ... + 76602.

It is an arithmetic number, because the mean of its divisors is an integer number (1377666).

Almost surely, 210102818 is an apocalyptic number.

10102818 is an abundant number, since it is smaller than the sum of its proper divisors (11939838).

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

10102818 is a wasteful number, since it uses less digits than its factorization.

10102818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153089.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 10102818 is about 3178.4930391618. The cubic root of 10102818 is about 216.1793349472.

Adding to 10102818 its reverse (81820101), we get a palindrome (91922919).

It can be divided in two parts, 1010 and 2818, that added together give a triangular number (3828 = T87).

The spelling of 10102818 in words is "ten million, one hundred two thousand, eight hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 153073 306146 459219 918438 1683803 3367606 5051409 10102818