Search a number
-
+
120855120001 = 7111569547013
BaseRepresentation
bin111000010001110000…
…1101100100010000001
3102112221121020012121121
41300203201230202001
53440002402320001
6131304200352241
711505621366430
oct1604341544201
9375847205547
10120855120001
1147288623470
121b50a175681
13b5203c8c35
145bc6b3d117
1532250b96a1
hex1c2386c881

120855120001 has 8 divisors (see below), whose sum is σ = 150676513344. Its totient is φ = 94172820720.

The previous prime is 120855119993. The next prime is 120855120049. The reversal of 120855120001 is 100021558021.

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

It is not a de Polignac number, because 120855120001 - 23 = 120855119993 is a prime.

It is a super-2 number, since 2×1208551200012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120855120101) 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, 784773430 + ... + 784773583.

It is an arithmetic number, because the mean of its divisors is an integer number (18834564168).

Almost surely, 2120855120001 is an apocalyptic number.

120855120001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120855120001 is a deficient number, since it is larger than the sum of its proper divisors (29821393343).

120855120001 is a wasteful number, since it uses less digits than its factorization.

120855120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569547031.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 120855120001 its reverse (100021558021), we get a palindrome (220876678022).

The spelling of 120855120001 in words is "one hundred twenty billion, eight hundred fifty-five million, one hundred twenty thousand, one".

Divisors: 1 7 11 77 1569547013 10986829091 17265017143 120855120001