Search a number
-
+
1020222120001 = 7592470271477
BaseRepresentation
bin11101101100010011111…
…10100010000001000001
310121112101000220120002111
432312021332202001001
5113203403330320001
62100403352415321
7133465024636060
oct16661176420101
93545330816074
101020222120001
11363745875a67
121458863a7541
137528b9a3b16
143754402c1d7
151b811c5a851
hexed89fa2041

1020222120001 has 8 divisors (see below), whose sum is σ = 1185730309440. Its totient is φ = 859654473648.

The previous prime is 1020222119957. The next prime is 1020222120019. The reversal of 1020222120001 is 1000212220201.

It is a happy number.

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 1020222120001 - 231 = 1018074636353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020222120901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235135326 + ... + 1235136151.

It is an arithmetic number, because the mean of its divisors is an integer number (148216288680).

Almost surely, 21020222120001 is an apocalyptic number.

It is an amenable number.

1020222120001 is a deficient number, since it is larger than the sum of its proper divisors (165508189439).

1020222120001 is an equidigital number, since it uses as much as digits as its factorization.

1020222120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470271543.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020222120001 its reverse (1000212220201), we get a palindrome (2020434340202).

The spelling of 1020222120001 in words is "one trillion, twenty billion, two hundred twenty-two million, one hundred twenty thousand, one".

Divisors: 1 7 59 413 2470271477 17291900339 145746017143 1020222120001