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1242220314101 = 13673534040227
BaseRepresentation
bin10010000100111010000…
…110011011110111110101
311101202101110200021211112
4102010322012123313311
5130323031400022401
62350400152244405
7155514243310544
oct22047206336765
94352343607745
101242220314101
11439905a89a68
121809010a0705
13901aa661ca0
14441a394015b
15224a65a33bb
hex1213a19bdf5

1242220314101 has 16 divisors (see below), whose sum is σ = 1361589157824. Its totient is φ = 1126350365184.

The previous prime is 1242220314053. The next prime is 1242220314113. The reversal of 1242220314101 is 1014130222421.

It is a cyclic number.

It is not a de Polignac number, because 1242220314101 - 210 = 1242220313077 is a prime.

It is a super-2 number, since 2×12422203141012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242220314121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1712651 + ... + 2327576.

It is an arithmetic number, because the mean of its divisors is an integer number (85099322364).

Almost surely, 21242220314101 is an apocalyptic number.

It is an amenable number.

1242220314101 is a deficient number, since it is larger than the sum of its proper divisors (119368843723).

1242220314101 is a wasteful number, since it uses less digits than its factorization.

1242220314101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040660.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1242220314101 its reverse (1014130222421), we get a palindrome (2256350536522).

The spelling of 1242220314101 in words is "one trillion, two hundred forty-two billion, two hundred twenty million, three hundred fourteen thousand, one hundred one".

Divisors: 1 13 67 353 871 4589 23651 307463 4040227 52522951 270695209 1426200131 3519037717 18540601703 95555408777 1242220314101