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100011310021 = 71923311054649
BaseRepresentation
bin101110100100100100…
…0110111101111000101
3100120010221220221200101
41131021020313233011
53114310343410041
6113540005244101
710140242052220
oct1351110675705
9316127827611
10100011310021
1139461860527
1217471703631
13957ac6c66c
144baa7665b7
152905220b31
hex1749237bc5

100011310021 has 32 divisors (see below), whose sum is σ = 129595392000. Its totient is φ = 75175309440.

The previous prime is 100011310019. The next prime is 100011310031. The reversal of 100011310021 is 120013110001.

It is not a de Polignac number, because 100011310021 - 21 = 100011310019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011310031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432496 + ... + 622153.

It is an arithmetic number, because the mean of its divisors is an integer number (4049856000).

Almost surely, 2100011310021 is an apocalyptic number.

It is an amenable number.

100011310021 is a deficient number, since it is larger than the sum of its proper divisors (29584081979).

100011310021 is a wasteful number, since it uses less digits than its factorization.

100011310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054729.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 100011310021 its reverse (120013110001), we get a palindrome (220024420022).

The spelling of 100011310021 in words is "one hundred billion, eleven million, three hundred ten thousand, twenty-one".

Divisors: 1 7 19 23 31 133 161 217 437 589 713 3059 4123 4991 13547 94829 1054649 7382543 20038331 24256927 32694119 140268317 169798489 228858833 460881613 621188261 751964737 3226171291 4348317827 5263753159 14287330003 100011310021