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1242410020154 = 217164512221231
BaseRepresentation
bin10010000101000101011…
…010000110110100111010
311101202212200122100121122
4102011011122012310322
5130323423431121104
62350431050305242
7155522035632452
oct22050532066472
94352780570548
101242410020154
114399a3080a26
12180954728222
139020aa539a4
14441c0c02d62
15224b80776be
hex12145686d3a

1242410020154 has 16 divisors (see below), whose sum is σ = 1973360278656. Its totient is φ = 584627736000.

The previous prime is 1242410020147. The next prime is 1242410020193. The reversal of 1242410020154 is 4510200142421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551282 + ... + 1669949.

It is an arithmetic number, because the mean of its divisors is an integer number (123335017416).

Almost surely, 21242410020154 is an apocalyptic number.

1242410020154 is a deficient number, since it is larger than the sum of its proper divisors (730950258502).

1242410020154 is a wasteful number, since it uses less digits than its factorization.

1242410020154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237701.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1242410020154 its reverse (4510200142421), we get a palindrome (5752610162575).

The spelling of 1242410020154 in words is "one trillion, two hundred forty-two billion, four hundred ten million, twenty thousand, one hundred fifty-four".

Divisors: 1 2 17 34 16451 32902 279667 559334 2221231 4442462 37760927 75521854 36541471181 73082942362 621205010077 1242410020154