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120206312634 = 23179491227951
BaseRepresentation
bin110111111110011011…
…0101100010010111010
3102111021101101101020010
41233330312230102322
53432140304001014
6131115542242350
711453552540652
oct1577466542272
9374241341203
10120206312634
1146a85369931
121b368a263b6
13b448b71a55
145b648cd362
1531d815a359
hex1bfcdac4ba

120206312634 has 32 divisors (see below), whose sum is σ = 242249149440. Its totient is φ = 39763598000.

The previous prime is 120206312617. The next prime is 120206312711. The reversal of 120206312634 is 436213602021.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 413359 + ... + 641309.

It is an arithmetic number, because the mean of its divisors is an integer number (7570285920).

Almost surely, 2120206312634 is an apocalyptic number.

120206312634 is an abundant number, since it is smaller than the sum of its proper divisors (122042836806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120206312634 is a wasteful number, since it uses less digits than its factorization.

120206312634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228626.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 120206312634 its reverse (436213602021), we get a palindrome (556419914655).

The spelling of 120206312634 in words is "one hundred twenty billion, two hundred six million, three hundred twelve thousand, six hundred thirty-four".

Divisors: 1 2 3 6 179 358 491 537 982 1074 1473 2946 87889 175778 227951 263667 455902 527334 683853 1367706 40803229 81606458 111923941 122409687 223847882 244819374 335771823 671543646 20034385439 40068770878 60103156317 120206312634