Search a number
-
+
1020221120095 = 56143945716673
BaseRepresentation
bin11101101100010011110…
…10101101111001011111
310121112100222000202110221
432312021322231321133
5113203403101320340
62100403315142211
7133465013302642
oct16661172557137
93545328022427
101020221120095
113637452527a1
12145885ba4967
137528b713968
1437543c4ba59
151b811b0e44a
hexed89eade5f

1020221120095 has 32 divisors (see below), whose sum is σ = 1249973746560. Its totient is φ = 799167651840.

The previous prime is 1020221120077. The next prime is 1020221120147. The reversal of 1020221120095 is 5900211220201.

It is not a de Polignac number, because 1020221120095 - 233 = 1011631185503 is a prime.

It is a super-2 number, since 2×10202211200952 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61181679 + ... + 61198351.

It is an arithmetic number, because the mean of its divisors is an integer number (39061679580).

Almost surely, 21020221120095 is an apocalyptic number.

1020221120095 is a deficient number, since it is larger than the sum of its proper divisors (229752626465).

1020221120095 is a wasteful number, since it uses less digits than its factorization.

1020221120095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17635.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 1020221120095 its reverse (5900211220201), we get a palindrome (6920432340296).

The spelling of 1020221120095 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred twenty thousand, ninety-five".

Divisors: 1 5 61 305 439 457 2195 2285 16673 26779 27877 83365 133895 139385 200623 1003115 1017053 5085265 7319447 7619561 12238003 36597235 38097805 61190015 446486267 464793221 2232431335 2323966105 3344987279 16724936395 204044224019 1020221120095