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1530533031412 = 227211709894727
BaseRepresentation
bin10110010001011010111…
…000001010110111110100
312102022120110220211201211
4112101122320022313310
5200034012424001122
63131041150331204
7215402015053600
oct26213270126764
95368513824654
101530533031412
11540105aa4850
122087644b9b04
13b143705a4b8
14541147c8500
1529c2cbb3877
hex1645ae0adf4

1530533031412 has 36 divisors (see below), whose sum is σ = 3398975957664. Its totient is φ = 596311569840.

The previous prime is 1530533031409. The next prime is 1530533031451. The reversal of 1530533031412 is 2141303350351.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354945208 + ... + 354949519.

It is an arithmetic number, because the mean of its divisors is an integer number (94415998824).

Almost surely, 21530533031412 is an apocalyptic number.

It is an amenable number.

1530533031412 is an abundant number, since it is smaller than the sum of its proper divisors (1868442926252).

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

1530533031412 is a wasteful number, since it uses less digits than its factorization.

1530533031412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709894756 (or 709894747 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 1530533031412 its reverse (2141303350351), we get a palindrome (3671836381763).

The spelling of 1530533031412 in words is "one trillion, five hundred thirty billion, five hundred thirty-three million, thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 709894727 1419789454 2839578908 4969263089 7808841997 9938526178 15617683994 19877052356 31235367988 34784841623 54661893979 69569683246 109323787958 139139366492 218647575916 382633257853 765266515706 1530533031412