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102131212202030 = 251110322034091797
BaseRepresentation
bin10111001110001101000110…
…100111111011000000101110
3111101121122111210001212110002
4113032031012213323000232
5101341304210310431110
61001114233044344302
730340510435023344
oct2716150647730056
9441548453055402
10102131212202030
112a5a6670807450
12b5558683a5092
1344cac1675923b
141b31269b55994
15bc1a01c5baa5
hex5ce3469fb02e

102131212202030 has 64 divisors (see below), whose sum is σ = 202587603199488. Its totient is φ = 36761349951360.

The previous prime is 102131212202021. The next prime is 102131212202051. The reversal of 102131212202030 is 30202212131201.

It is a super-2 number, since 2×1021312122020302 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102131212201993 and 102131212202011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22914092 + ... + 27005888.

It is an arithmetic number, because the mean of its divisors is an integer number (3165431299992).

Almost surely, 2102131212202030 is an apocalyptic number.

102131212202030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102131212202030 is a deficient number, since it is larger than the sum of its proper divisors (100456390997458).

102131212202030 is a wasteful number, since it uses less digits than its factorization.

102131212202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094121.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102131212202030 its reverse (30202212131201), we get a palindrome (132333424333231).

The spelling of 102131212202030 in words is "one hundred two trillion, one hundred thirty-one billion, two hundred twelve million, two hundred two thousand, thirty".

Divisors: 1 2 5 10 11 22 55 103 110 206 515 1030 1133 2203 2266 4406 5665 11015 11330 22030 24233 48466 121165 226909 242330 453818 1134545 2269090 2495999 4091797 4991998 8183594 12479995 20458985 24959990 40917970 45009767 90019534 225048835 421455091 450097670 842910182 2107275455 4214550910 4636006001 9014228791 9272012002 18028457582 23180030005 45071143955 46360060010 90142287910 99156516701 198313033402 495782583505 928465565473 991565167010 1856931130946 4642327827365 9284655654730 10213121220203 20426242440406 51065606101015 102131212202030