Search a number
-
+
120220133232021 = 3842327241174649
BaseRepresentation
bin11011010101011011101110…
…010101100000110110010101
3120202122221011210021212122220
4123111123232111200312111
5111224141313101411041
61103404211120012553
734215421654606464
oct3325335625406625
9522587153255586
10120220133232021
1135340088093639
1211597573461159
13521092c901394
142198984dd89db
15dd73053b1d66
hex6d56ee560d95

120220133232021 has 16 divisors (see below), whose sum is σ = 160319344348800. Its totient is φ = 80133839642880.

The previous prime is 120220133231983. The next prime is 120220133232029. The reversal of 120220133232021 is 120232331022021.

It is not a de Polignac number, because 120220133232021 - 213 = 120220133223829 is a prime.

It is a super-2 number, since 2×1202201332320212 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120220133231982 and 120220133232000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220133232029) 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, 688265505 + ... + 688440153.

It is an arithmetic number, because the mean of its divisors is an integer number (10019959021800).

Almost surely, 2120220133232021 is an apocalyptic number.

It is an amenable number.

120220133232021 is a deficient number, since it is larger than the sum of its proper divisors (40099211116779).

120220133232021 is a wasteful number, since it uses less digits than its factorization.

120220133232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210316.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 120220133232021 its reverse (120232331022021), we get a palindrome (240452464254042).

The spelling of 120220133232021 in words is "one hundred twenty trillion, two hundred twenty billion, one hundred thirty-three million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 3 8423 25269 27241 81723 174649 523947 229450943 688352829 1471068527 4413205581 4757613409 14272840227 40073377744007 120220133232021