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120213252532 = 221773197122929
BaseRepresentation
bin110111111110101000…
…1001010100110110100
3102111021212102221222101
41233331101022212310
53432144043040112
6131120351111444
711453665533622
oct1577521124664
9374255387871
10120213252532
1146a8927998a
121b36b212584
13b44a4317b9
145b657b8512
1531d8a7b757
hex1bfd44a9b4

120213252532 has 48 divisors (see below), whose sum is σ = 226947465360. Its totient is φ = 55512317952.

The previous prime is 120213252503. The next prime is 120213252541. The reversal of 120213252532 is 235252312021.

It can be written as a sum of positive squares in 8 ways, for example, as 5594441616 + 114618810916 = 74796^2 + 338554^2 .

It is a super-2 number, since 2×1202132525322 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120213252532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916444 + ... + 1039372.

It is an arithmetic number, because the mean of its divisors is an integer number (4728072195).

Almost surely, 2120213252532 is an apocalyptic number.

It is an amenable number.

120213252532 is a deficient number, since it is larger than the sum of its proper divisors (106734212828).

120213252532 is a wasteful number, since it uses less digits than its factorization.

120213252532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123220 (or 123218 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 120213252532 its reverse (235252312021), we get a palindrome (355465564553).

The spelling of 120213252532 in words is "one hundred twenty billion, two hundred thirteen million, two hundred fifty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 17 34 68 73 146 197 292 394 788 1241 2482 3349 4964 6698 13396 14381 28762 57524 122929 244477 245858 488954 491716 977908 2089793 4179586 8359172 8973817 17947634 24217013 35895268 48434026 96868052 152554889 305109778 411689221 610219556 823378442 1646756884 1767841949 3535683898 7071367796 30053313133 60106626266 120213252532