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155423140124102 = 2591317145255289
BaseRepresentation
bin100011010101101101000101…
…000011101001010111000110
3202101022022021212101101112222
4203111231011003221113012
5130332423042332432402
61310320223242012342
744510644205214314
oct4325550503512706
9671268255341488
10155423140124102
11455826467aa924
12155220671a70b2
13689545437c326
142a5473d2cb0b4
1512e7da4cd77a2
hex8d5b450e95c6

155423140124102 has 8 divisors (see below), whose sum is σ = 237086145952200. Its totient is φ = 76394424806704.

The previous prime is 155423140124071. The next prime is 155423140124107. The reversal of 155423140124102 is 201421041324551.

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

It is a super-2 number, since 2×1554231401241022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155423140124107) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 658572627527 + ... + 658572627762.

It is an arithmetic number, because the mean of its divisors is an integer number (29635768244025).

Almost surely, 2155423140124102 is an apocalyptic number.

155423140124102 is a deficient number, since it is larger than the sum of its proper divisors (81663005828098).

155423140124102 is a wasteful number, since it uses less digits than its factorization.

155423140124102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317145255350.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 155423140124102 its reverse (201421041324551), we get a palindrome (356844181448653).

The spelling of 155423140124102 in words is "one hundred fifty-five trillion, four hundred twenty-three billion, one hundred forty million, one hundred twenty-four thousand, one hundred two".

Divisors: 1 2 59 118 1317145255289 2634290510578 77711570062051 155423140124102