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102420004113401 = 137878461854877
BaseRepresentation
bin10111010010011010000011…
…111101101000101111111001
3111102122020221012000000000112
4113102122003331220233321
5101411022132023112101
61001455033401314105
730400413115536542
oct2722320375505771
9442566835000015
10102420004113401
112a6a8097268887
12b5a1824195935
13451c21b503630
141b412244db4c9
15bc92a54756bb
hex5d2683f68bf9

102420004113401 has 4 divisors (see below), whose sum is σ = 110298465968292. Its totient is φ = 94541542258512.

The previous prime is 102420004113307. The next prime is 102420004113407. The reversal of 102420004113401 is 104311400024201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70232763489001 + 32187240624400 = 8380499^2 + 5673380^2 .

It is a cyclic number.

It is not a de Polignac number, because 102420004113401 - 230 = 102418930371577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102420004113407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3939230927426 + ... + 3939230927451.

It is an arithmetic number, because the mean of its divisors is an integer number (27574616492073).

Almost surely, 2102420004113401 is an apocalyptic number.

It is an amenable number.

102420004113401 is a deficient number, since it is larger than the sum of its proper divisors (7878461854891).

102420004113401 is an equidigital number, since it uses as much as digits as its factorization.

102420004113401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878461854890.

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

Adding to 102420004113401 its reverse (104311400024201), we get a palindrome (206731404137602).

The spelling of 102420004113401 in words is "one hundred two trillion, four hundred twenty billion, four million, one hundred thirteen thousand, four hundred one".

Divisors: 1 13 7878461854877 102420004113401