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1230311032122 = 23593823909091
BaseRepresentation
bin10001111001110100010…
…000001000010100111010
311100121122111021002012210
4101321310100020110322
5130124134111011442
62341110323115550
7154613153140044
oct21716420102472
94317574232183
101230311032122
1143485455a167
1217a538812bb6
138c030241183
1443793db8a94
152200aca219c
hex11e7440853a

1230311032122 has 32 divisors (see below), whose sum is σ = 2502984821760. Its totient is φ = 403046869680.

The previous prime is 1230311032117. The next prime is 1230311032127. The reversal of 1230311032122 is 2212301130321.

It is an interprime number because it is at equal distance from previous prime (1230311032117) and next prime (1230311032127).

It is a super-2 number, since 2×12303110321222 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230311032127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898797 + ... + 1807887.

It is an arithmetic number, because the mean of its divisors is an integer number (78218275680).

Almost surely, 21230311032122 is an apocalyptic number.

1230311032122 is an abundant number, since it is smaller than the sum of its proper divisors (1272673789638).

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

1230311032122 is a wasteful number, since it uses less digits than its factorization.

1230311032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912978.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1230311032122 its reverse (2212301130321), we get a palindrome (3442612162443).

The spelling of 1230311032122 in words is "one trillion, two hundred thirty billion, three hundred eleven million, thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 59 118 177 354 3823 7646 11469 22938 225557 451114 676671 909091 1353342 1818182 2727273 5454546 53636369 107272738 160909107 321818214 3475454893 6950909786 10426364679 20852729358 205051838687 410103677374 615155516061 1230311032122