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102240303321 = 31321481136163
BaseRepresentation
bin101111100110111111…
…1110011100011011001
3100202220022011112122210
41133031333303203121
53133342004201241
6114545112305333
710246416145032
oct1371577634331
9322808145583
10102240303321
113a3a5a93152
12179940a2249
1398449b2a00
144d3c7cda89
1529d5c68316
hex17cdff38d9

102240303321 has 24 divisors (see below), whose sum is σ = 147713975136. Its totient is φ = 62874165120.

The previous prime is 102240303301. The next prime is 102240303349. The reversal of 102240303321 is 123303042201.

It is not a de Polignac number, because 102240303321 - 226 = 102173194457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102240303301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 682786 + ... + 818948.

It is an arithmetic number, because the mean of its divisors is an integer number (6154748964).

Almost surely, 2102240303321 is an apocalyptic number.

It is an amenable number.

102240303321 is a deficient number, since it is larger than the sum of its proper divisors (45473671815).

102240303321 is a wasteful number, since it uses less digits than its factorization.

102240303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137673 (or 137660 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 102240303321 its reverse (123303042201), we get a palindrome (225543345522).

The spelling of 102240303321 in words is "one hundred two billion, two hundred forty million, three hundred three thousand, three hundred twenty-one".

Divisors: 1 3 13 39 169 507 1481 4443 19253 57759 136163 250289 408489 750867 1770119 5310357 23011547 69034641 201657403 604972209 2621546239 7864638717 34080101107 102240303321