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1020211444331 = 15139569170749
BaseRepresentation
bin11101101100010010101…
…01110011101001101011
310121112100021211011211022
432312021111303221223
5113203343112204311
62100402331523055
7133464535123502
oct16661125635153
93545307734738
101020211444331
1136373a8441a2
121458828b948b
1375289706861
143754284d839
151b810d4c5db
hexed89573a6b

1020211444331 has 8 divisors (see below), whose sum is σ = 1026999780000. Its totient is φ = 1013423529600.

The previous prime is 1020211444313. The next prime is 1020211444379. The reversal of 1020211444331 is 1334441120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020211444331 - 218 = 1020211182187 is a prime.

It is a super-2 number, since 2×10202114443312 (a number of 25 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 1020211444331.

It is not an unprimeable number, because it can be changed into a prime (1020211447331) 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 7 ways as a sum of consecutive naturals, for example, 5889545 + ... + 6060293.

It is an arithmetic number, because the mean of its divisors is an integer number (128374972500).

Almost surely, 21020211444331 is an apocalyptic number.

1020211444331 is a deficient number, since it is larger than the sum of its proper divisors (6788335669).

1020211444331 is a wasteful number, since it uses less digits than its factorization.

1020211444331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210469.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1020211444331 its reverse (1334441120201), we get a palindrome (2354652564532).

The spelling of 1020211444331 in words is "one trillion, twenty billion, two hundred eleven million, four hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 151 39569 170749 5974919 25783099 6756367181 1020211444331