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100210131021 = 37112136774481
BaseRepresentation
bin101110101010011111…
…1010100000001001101
3100120122211001002211010
41131110333110001031
53120212243143041
6114011430515433
710145205026250
oct1352477240115
9316584032733
10100210131021
1139554008700
1217508205b79
1395b0203120
144bc8d1d097
1529178e5a16
hex1754fd404d

100210131021 has 96 divisors (see below), whose sum is σ = 181063620864. Its totient is φ = 47971123200.

The previous prime is 100210130957. The next prime is 100210131139. The reversal of 100210131021 is 120131012001.

It is not a de Polignac number, because 100210131021 - 26 = 100210130957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100210130988 and 100210131006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100210131821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22361101 + ... + 22365581.

It is an arithmetic number, because the mean of its divisors is an integer number (1886079384).

Almost surely, 2100210131021 is an apocalyptic number.

100210131021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100210131021 is a deficient number, since it is larger than the sum of its proper divisors (80853489843).

100210131021 is a wasteful number, since it uses less digits than its factorization.

100210131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203 (or 5192 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 100210131021 its reverse (120131012001), we get a palindrome (220341143022).

The spelling of 100210131021 in words is "one hundred billion, two hundred ten million, one hundred thirty-one thousand, twenty-one".

Divisors: 1 3 7 11 13 21 33 39 77 91 121 143 231 273 363 429 677 847 1001 1573 2031 2541 3003 4481 4719 4739 7447 8801 11011 13443 14217 22341 26403 31367 33033 49291 52129 58253 61607 81917 94101 96811 147873 156387 174759 184821 245751 290433 345037 407771 542201 573419 640783 677677 1035111 1064921 1223313 1626603 1720257 1922349 2033031 3033637 3194763 3795407 4485481 7048613 7454447 9100911 11386221 13456443 21145839 21235459 22363341 33370007 39437281 49340291 63706377 100110021 118311843 148020873 233590049 276060967 367070077 433810091 700770147 828182901 1101210231 1301430273 2569490539 3036670637 4771911001 7708471617 9110011911 14315733003 33403377007 100210131021