Search a number
-
+
101012320101431 = 551918302649049
BaseRepresentation
bin10110111101111011000011…
…011101010010010000110111
3111020122200110021011221201202
4112331323003131102100313
5101214441212421221211
6554500230315443115
730163620313055324
oct2675730335222067
9436580407157652
10101012320101431
112a2050a2347682
12b3b4a4575649b
13444956199171b
141ad304559db4b
15ba286793653b
hex5bdec3752437

101012320101431 has 4 divisors (see below), whose sum is σ = 101030622756000. Its totient is φ = 100994017446864.

The previous prime is 101012320101403. The next prime is 101012320101437. The reversal of 101012320101431 is 134101023210101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101012320101431 is a prime.

It is a super-2 number, since 2×1010123201014312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012320101437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9151319006 + ... + 9151330043.

It is an arithmetic number, because the mean of its divisors is an integer number (25257655689000).

Almost surely, 2101012320101431 is an apocalyptic number.

101012320101431 is a deficient number, since it is larger than the sum of its proper divisors (18302654569).

101012320101431 is an equidigital number, since it uses as much as digits as its factorization.

101012320101431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18302654568.

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

Adding to 101012320101431 its reverse (134101023210101), we get a palindrome (235113343311532).

The spelling of 101012320101431 in words is "one hundred one trillion, twelve billion, three hundred twenty million, one hundred one thousand, four hundred thirty-one".

Divisors: 1 5519 18302649049 101012320101431