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1213313112010 = 251751721137993
BaseRepresentation
bin10001101001111111000…
…110001101011111001010
311021222202212200021101001
4101221333012031133022
5124334331124041020
62325215514445214
7153442013200456
oct21517706153712
94258685607331
101213313112010
114286216911aa
1217719413380a
138a5517c868c
1442a206bb666
152186388b50a
hex11a7f18d7ca

1213313112010 has 32 divisors (see below), whose sum is σ = 2312493516432. Its totient is φ = 456764559360.

The previous prime is 1213313111987. The next prime is 1213313112073. The reversal of 1213313112010 is 102113133121.

It can be written as a sum of positive squares in 8 ways, for example, as 68988699649 + 1144324412361 = 262657^2 + 1069731^2 .

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, 8723574 + ... + 8861566.

Almost surely, 21213313112010 is an apocalyptic number.

1213313112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213313112010 is a deficient number, since it is larger than the sum of its proper divisors (1099180404422).

1213313112010 is a wasteful number, since it uses less digits than its factorization.

1213313112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189738.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1213313112010 its reverse (102113133121), we get a palindrome (1315426245131).

The spelling of 1213313112010 in words is "one trillion, two hundred thirteen billion, three hundred thirteen million, one hundred twelve thousand, ten".

Divisors: 1 2 5 10 17 34 85 170 51721 103442 137993 258605 275986 517210 689965 879257 1379930 1758514 2345881 4396285 4691762 8792570 11729405 23458810 7137135953 14274271906 35685679765 71371359530 121331311201 242662622402 606656556005 1213313112010