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100202101010 = 251119101479991
BaseRepresentation
bin101110101010010000…
…0101011100100010010
3100120122020221010201022
41131110200223210102
53120203214213020
6114010542435442
710145046543164
oct1352440534422
9316566833638
10100202101010
113954a523630
1217505592b82
1395ab65113b
144bc7c2c934
152916d5b625
hex175482b912

100202101010 has 128 divisors (see below), whose sum is σ = 209815142400. Its totient is φ = 34071840000.

The previous prime is 100202100983. The next prime is 100202101019. The reversal of 100202101010 is 10101202001.

It is a super-2 number, since 2×1002021010102 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100202101019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101111615 + ... + 101112605.

It is an arithmetic number, because the mean of its divisors is an integer number (1639180800).

Almost surely, 2100202101010 is an apocalyptic number.

100202101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100202101010 is an abundant number, since it is smaller than the sum of its proper divisors (109613041390).

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

100202101010 is a wasteful number, since it uses less digits than its factorization.

100202101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100202101010 its reverse (10101202001), we get a palindrome (110303303011).

The spelling of 100202101010 in words is "one hundred billion, two hundred two million, one hundred one thousand, ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 101 110 190 202 209 418 479 505 958 991 1010 1045 1111 1919 1982 2090 2222 2395 3838 4790 4955 5269 5555 9101 9595 9910 10538 10901 11110 18202 18829 19190 21109 21802 26345 37658 42218 45505 48379 52690 54505 91010 94145 96758 100091 100111 105545 109010 188290 200182 200222 207119 211090 241895 414238 474689 483790 500455 500555 532169 919201 949378 1000910 1001110 1035595 1064338 1101001 1838402 1901729 2071190 2202002 2373445 2660845 3803458 4596005 4746890 5221579 5321690 5505005 9019091 9192010 9508645 10111211 10443158 11010010 18038182 19017290 20222422 20919019 26107895 41838038 45095455 47943589 50556055 52215790 90190910 95887178 99210001 101112110 104595095 198420002 209190190 239717945 479435890 496050005 527379479 910928191 992100010 1054758958 1821856382 2636897395 4554640955 5273794790 9109281910 10020210101 20040420202 50101050505 100202101010