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102240010212 = 2239478996833
BaseRepresentation
bin101111100110111111…
…0101011111111100100
3100202220021121122120220
41133031332223333210
53133341420311322
6114545102124340
710246413514344
oct1371576537744
9322807548526
10102240010212
113a3a5902a0a
1217993b806b0
13984490c482
144d3c754d24
1529d5c0b55c
hex17cdfabfe4

102240010212 has 24 divisors (see below), whose sum is σ = 238811961696. Its totient is φ = 34044012288.

The previous prime is 102240010207. The next prime is 102240010217. The reversal of 102240010212 is 212010042201.

It is an interprime number because it is at equal distance from previous prime (102240010207) and next prime (102240010217).

It is a junction number, because it is equal to n+sod(n) for n = 102240010191 and 102240010200.

It is not an unprimeable number, because it can be changed into a prime (102240010217) 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, 4487053 + ... + 4509780.

It is an arithmetic number, because the mean of its divisors is an integer number (9950498404).

Almost surely, 2102240010212 is an apocalyptic number.

102240010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102240010212 is an abundant number, since it is smaller than the sum of its proper divisors (136571951484).

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

102240010212 is a wasteful number, since it uses less digits than its factorization.

102240010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8997787 (or 8997785 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102240010212 its reverse (212010042201), we get a palindrome (314250052413).

The spelling of 102240010212 in words is "one hundred two billion, two hundred forty million, ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 947 1894 2841 3788 5682 11364 8996833 17993666 26990499 35987332 53980998 107961996 8520000851 17040001702 25560002553 34080003404 51120005106 102240010212