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1220000101010 = 25122000010101
BaseRepresentation
bin10001110000001101101…
…011000011001010010010
311022122000220102111210022
4101300031223003022102
5124442030011213020
62332243232103442
7154066511520305
oct21601553031222
94278026374708
101220000101010
11430443284a99
1217853b694b82
138b078cc95c2
1443096838b3c
1521b05976625
hex11c0dac3292

1220000101010 has 8 divisors (see below), whose sum is σ = 2196000181836. Its totient is φ = 488000040400.

The previous prime is 1220000100983. The next prime is 1220000101049. The reversal of 1220000101010 is 101010000221.

It can be written as a sum of positive squares in 2 ways, for example, as 1200210082681 + 19790018329 = 1095541^2 + 140677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 61000005041 + ... + 61000005060.

Almost surely, 21220000101010 is an apocalyptic number.

1220000101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220000101010 is a deficient number, since it is larger than the sum of its proper divisors (976000080826).

1220000101010 is a wasteful number, since it uses less digits than its factorization.

1220000101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122000010108.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1220000101010 its reverse (101010000221), we get a palindrome (1321010101231).

The spelling of 1220000101010 in words is "one trillion, two hundred twenty billion, one hundred one thousand, ten".

Divisors: 1 2 5 10 122000010101 244000020202 610000050505 1220000101010