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10100091001 = 7111310199901
BaseRepresentation
bin10010110100000001…
…10010100001111001
3222001220002210011111
421122000302201321
5131141110403001
64350120000321
7505201233310
oct113200624171
928056083144
1010100091001
114313268950
121b5a6000a1
13c4c663510
146bb579277
153e1a7e851
hex25a032879

10100091001 has 32 divisors (see below), whose sum is σ = 13695365376. Its totient is φ = 7192800000.

The previous prime is 10100090963. The next prime is 10100091019. The reversal of 10100091001 is 10019000101.

10100091001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10100091001 - 29 = 10100090489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (10100091031) 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, 51151 + ... + 151051.

It is an arithmetic number, because the mean of its divisors is an integer number (427980168).

Almost surely, 210100091001 is an apocalyptic number.

10100091001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10100091001 is a deficient number, since it is larger than the sum of its proper divisors (3595274375).

10100091001 is a wasteful number, since it uses less digits than its factorization.

10100091001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100033.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 10100091001 its reverse (10019000101), we get a palindrome (20119091102).

The spelling of 10100091001 in words is "ten billion, one hundred million, ninety-one thousand, one".

Divisors: 1 7 11 13 77 91 101 143 707 1001 1111 1313 7777 9191 14443 99901 101101 699307 1098911 1298713 7692377 9090991 10090001 14285843 70630007 100000901 110990011 131170013 776930077 918190091 1442870143 10100091001