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102240210012 = 22327413108361
BaseRepresentation
bin101111100110111111…
…1011100110001011100
3100202220021222210122220
41133031333130301130
53133341443210022
6114545110305340
710246415306013
oct1371577346134
9322807883586
10102240210012
113a3a5a2a036
1217994058250
13984497c3b5
144d3c7a7a7a
1529d5c4a85c
hex17cdfdcc5c

102240210012 has 24 divisors (see below), whose sum is σ = 238647600912. Its totient is φ = 34067625600.

The previous prime is 102240209989. The next prime is 102240210013. The reversal of 102240210012 is 210012042201.

It is a junction number, because it is equal to n+sod(n) for n = 102240209973 and 102240210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102240210013) 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, 1521289 + ... + 1587072.

It is an arithmetic number, because the mean of its divisors is an integer number (9943650038).

Almost surely, 2102240210012 is an apocalyptic number.

102240210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102240210012 is an abundant number, since it is smaller than the sum of its proper divisors (136407390900).

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

102240210012 is a wasteful number, since it uses less digits than its factorization.

102240210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111109 (or 3111107 counting only the distinct ones).

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

Adding to 102240210012 its reverse (210012042201), we get a palindrome (312252252213).

The spelling of 102240210012 in words is "one hundred two billion, two hundred forty million, two hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 12 2741 5482 8223 10964 16446 32892 3108361 6216722 9325083 12433444 18650166 37300332 8520017501 17040035002 25560052503 34080070004 51120105006 102240210012