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54242321502 = 2315643577919
BaseRepresentation
bin110010100001000110…
…000010010001011110
312012000020111102200110
4302201012002101132
51342042013242002
640530225110450
73630114061005
oct624106022136
9165006442613
1054242321502
1121005415a86
12a619788426
135165945b35
1428a7d21c3c
151627033e6c
hexca118245e

54242321502 has 16 divisors (see below), whose sum is σ = 108491765760. Its totient is φ = 18079586712.

The previous prime is 54242321501. The next prime is 54242321533. The reversal of 54242321502 is 20512324245.

It is a self number, because there is not a number n which added to its sum of digits gives 54242321502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54242321501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195102 + ... + 382817.

It is an arithmetic number, because the mean of its divisors is an integer number (6780735360).

Almost surely, 254242321502 is an apocalyptic number.

54242321502 is an abundant number, since it is smaller than the sum of its proper divisors (54249444258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54242321502 is a wasteful number, since it uses less digits than its factorization.

54242321502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593567.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 54242321502 its reverse (20512324245), we get a palindrome (74754645747).

The spelling of 54242321502 in words is "fifty-four billion, two hundred forty-two million, three hundred twenty-one thousand, five hundred two".

Divisors: 1 2 3 6 15643 31286 46929 93858 577919 1155838 1733757 3467514 9040386917 18080773834 27121160751 54242321502