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492520981197 = 37311037345249
BaseRepresentation
bin1110010101011001000…
…10011100001011001101
31202002021122010012012010
413022230202130023031
531032140332344242
61014132213531433
750404062156660
oct7125442341315
91662248105163
10492520981197
1117a971287a23
127b554343b79
13375a182796b
1419ba3c136d7
15cc2924789c
hex72ac89c2cd

492520981197 has 32 divisors (see below), whose sum is σ = 782239744000. Its totient is φ = 269717506560.

The previous prime is 492520981189. The next prime is 492520981217. The reversal of 492520981197 is 791189025294.

It is not a de Polignac number, because 492520981197 - 23 = 492520981189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492520981177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3605572 + ... + 3739677.

It is an arithmetic number, because the mean of its divisors is an integer number (24444992000).

Almost surely, 2492520981197 is an apocalyptic number.

It is an amenable number.

492520981197 is a deficient number, since it is larger than the sum of its proper divisors (289718762803).

492520981197 is a wasteful number, since it uses less digits than its factorization.

492520981197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345393.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 492520981197 in words is "four hundred ninety-two billion, five hundred twenty million, nine hundred eighty-one thousand, one hundred ninety-seven".

Divisors: 1 3 7 21 31 93 103 217 309 651 721 2163 3193 9579 22351 67053 7345249 22035747 51416743 154250229 227702719 683108157 756560647 1593919033 2269681941 4781757099 5295924529 15887773587 23453380057 70360140171 164173660399 492520981197