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106803974772 = 223211359751273
BaseRepresentation
bin110001101111000000…
…0110101001001110100
3101012200100112001222100
41203132000311021310
53222213304143042
6121022015502100
710500462543435
oct1433600651164
9335610461870
10106803974772
1141328072050
1218848527930
13a0c1320611
14525295148c
152ba173224c
hex18de035274

106803974772 has 72 divisors (see below), whose sum is σ = 295340834880. Its totient is φ = 32274645120.

The previous prime is 106803974759. The next prime is 106803974773. The reversal of 106803974772 is 277479308601.

106803974772 is a `hidden beast` number, since 1 + 0 + 6 + 80 + 3 + 97 + 477 + 2 = 666.

It is a super-2 number, since 2×1068039747722 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106803974773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233473 + ... + 517800.

It is an arithmetic number, because the mean of its divisors is an integer number (4101956040).

Almost surely, 2106803974772 is an apocalyptic number.

106803974772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

106803974772 is an abundant number, since it is smaller than the sum of its proper divisors (188536860108).

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

106803974772 is a wasteful number, since it uses less digits than its factorization.

106803974772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751653 (or 751648 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 106803974772 in words is "one hundred six billion, eight hundred three million, nine hundred seventy-four thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 359 396 718 1077 1436 2154 3231 3949 4308 6462 7898 11847 12924 15796 23694 35541 47388 71082 142164 751273 1502546 2253819 3005092 4507638 6761457 8264003 9015276 13522914 16528006 24792009 27045828 33056012 49584018 74376027 99168036 148752054 269707007 297504108 539414014 809121021 1078828028 1618242042 2427363063 2966777077 3236484084 4854726126 5933554154 8900331231 9709452252 11867108308 17800662462 26700993693 35601324924 53401987386 106803974772