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100143122211431 = 13291391911018877
BaseRepresentation
bin10110110001010001100011…
…001110011110001001100111
3111010120120220101000011221022
4112301101203032132021213
5101111221103241231211
6552553040520241355
730044046631645625
oct2661214316361147
9433516811004838
10100143122211431
11299aa506842a42
12b2944a901025b
1343b55c080bb10
141aa2d4ad7a515
15b89e44675bdb
hex5b146339e267

100143122211431 has 16 divisors (see below), whose sum is σ = 112367910026400. Its totient is φ = 88610123242368.

The previous prime is 100143122211403. The next prime is 100143122211439. The reversal of 100143122211431 is 134112221341001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-100143122211431 is a prime.

It is a super-2 number, since 2×1001431222114312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100143122211431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100143122211439) 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, 955457036 + ... + 955561841.

It is an arithmetic number, because the mean of its divisors is an integer number (7022994376650).

Almost surely, 2100143122211431 is an apocalyptic number.

100143122211431 is a deficient number, since it is larger than the sum of its proper divisors (12224787814969).

100143122211431 is a wasteful number, since it uses less digits than its factorization.

100143122211431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911019058.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 100143122211431 its reverse (134112221341001), we get a palindrome (234255343552432).

The spelling of 100143122211431 in words is "one hundred trillion, one hundred forty-three billion, one hundred twenty-two million, two hundred eleven thousand, four hundred thirty-one".

Divisors: 1 13 29 139 377 1807 4031 52403 1911018877 24843245401 55419547433 265631623903 720454116629 3453211110739 7703317093187 100143122211431