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102213115 = 5109187547
BaseRepresentation
bin1100001011110…
…10010111111011
321010022222000221
412011322113323
5202131304430
614050440511
72350540264
oct605722773
9233288027
10102213115
1152773254
122a293137
1318239c44
14d80996b
158e9057a
hex617a5fb

102213115 has 8 divisors (see below), whose sum is σ = 123781680. Its totient is φ = 81019872.

The previous prime is 102213113. The next prime is 102213151. The reversal of 102213115 is 511312201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102213115 - 21 = 102213113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102213113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93229 + ... + 94318.

It is an arithmetic number, because the mean of its divisors is an integer number (15472710).

Almost surely, 2102213115 is an apocalyptic number.

102213115 is a deficient number, since it is larger than the sum of its proper divisors (21568565).

102213115 is a wasteful number, since it uses less digits than its factorization.

102213115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187661.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 102213115 is about 10110.0501976993. The cubic root of 102213115 is about 467.5580527869.

Adding to 102213115 its reverse (511312201), we get a palindrome (613525316).

The spelling of 102213115 in words is "one hundred two million, two hundred thirteen thousand, one hundred fifteen".

Divisors: 1 5 109 545 187547 937735 20442623 102213115