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101011223100431 = 761832850123391
BaseRepresentation
bin10110111101111010000010…
…000100100011110000001111
3111020122120121210222112021002
4112331322002010203300033
5101214431441103203211
6554455525411130515
730163551162522560
oct2675720204436017
9436576553875232
10101011223100431
112a20468a0a0586
12b3b479a2a3a3b
134449418620ac7
141ad2d7da02167
15ba280149403b
hex5bde82123c0f

101011223100431 has 16 divisors (see below), whose sum is σ = 118747541004288. Its totient is φ = 84135642472800.

The previous prime is 101011223100421. The next prime is 101011223100433. The reversal of 101011223100431 is 134001322110101.

It is a cyclic number.

It is not a de Polignac number, because 101011223100431 - 210 = 101011223099407 is a prime.

It is a super-2 number, since 2×1010112231004312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011223100433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425026255 + ... + 1425097136.

It is an arithmetic number, because the mean of its divisors is an integer number (7421721312768).

Almost surely, 2101011223100431 is an apocalyptic number.

101011223100431 is a deficient number, since it is larger than the sum of its proper divisors (17736317903857).

101011223100431 is an equidigital number, since it uses as much as digits as its factorization.

101011223100431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850123542.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 101011223100431 its reverse (134001322110101), we get a palindrome (235012545210532).

The spelling of 101011223100431 in words is "one hundred one trillion, eleven billion, two hundred twenty-three million, one hundred thousand, four hundred thirty-one".

Divisors: 1 7 61 83 427 581 5063 35441 2850123391 19950863737 173857526851 236560241453 1217002687957 1655921690171 14430174728633 101011223100431