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1010030001001 = 72693270719793
BaseRepresentation
bin11101011001010100111…
…10101011101101101001
310120120001201122021020121
432230222132223231221
5113022020140013001
62052000144123241
7132654325232320
oct16545236535551
93516051567217
101010030001001
1135a39567111a
12143901006521
137432625b588
1436c585790b7
151b41709d6a1
hexeb2a7abb69

1010030001001 has 16 divisors (see below), whose sum is σ = 1155233579904. Its totient is φ = 865055119104.

The previous prime is 1010030000999. The next prime is 1010030001037. The reversal of 1010030001001 is 1001000300101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1010030001001 - 21 = 1010030000999 is a prime.

It is a super-2 number, since 2×10100300010012 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010030001091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51019761 + ... + 51039553.

It is an arithmetic number, because the mean of its divisors is an integer number (72202098744).

Almost surely, 21010030001001 is an apocalyptic number.

It is an amenable number.

1010030001001 is a deficient number, since it is larger than the sum of its proper divisors (145203578903).

1010030001001 is a wasteful number, since it uses less digits than its factorization.

1010030001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25200.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 1010030001001 its reverse (1001000300101), we get a palindrome (2011030301102).

The spelling of 1010030001001 in words is "one trillion, ten billion, thirty million, one thousand, one".

Divisors: 1 7 2693 2707 18851 18949 19793 138551 7289951 51029657 53302549 53579651 373117843 375057557 144290000143 1010030001001