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130020031100 = 22523533683287
BaseRepresentation
bin111100100010111001…
…1000011101001111100
3110102121022121221010102
41321011303003221330
54112240111443400
6135421432300232
712252006013031
oct1710563035174
9412538557112
10130020031100
1150160a10863
1221247541678
13c35109915b
146416001388
1535ae9bd9d5
hex1e45cc3a7c

130020031100 has 36 divisors (see below), whose sum is σ = 282942817584. Its totient is φ = 51860666880.

The previous prime is 130020031087. The next prime is 130020031103. The reversal of 130020031100 is 1130020031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130020031103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1806344 + ... + 1876943.

Almost surely, 2130020031100 is an apocalyptic number.

130020031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130020031100 is an abundant number, since it is smaller than the sum of its proper divisors (152922786484).

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

130020031100 is a wasteful number, since it uses less digits than its factorization.

130020031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683654 (or 3683647 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 130020031100 its reverse (1130020031), we get a palindrome (131150051131).

The spelling of 130020031100 in words is "one hundred thirty billion, twenty million, thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 353 706 1412 1765 3530 7060 8825 17650 35300 3683287 7366574 14733148 18416435 36832870 73665740 92082175 184164350 368328700 1300200311 2600400622 5200801244 6501001555 13002003110 26004006220 32505007775 65010015550 130020031100