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742563511420 = 22537128175571
BaseRepresentation
bin10101100111001000011…
…10111111110001111100
32121222200112020210210211
422303210032333301330
544131232224331140
61325043505042204
7104435262463363
oct12634416776174
92558615223724
10742563511420
11266a1281a815
12bbab7026364
135503c657c63
1427d241367da
15144b0b632ea
hexace43bfc7c

742563511420 has 12 divisors (see below), whose sum is σ = 1559383374024. Its totient is φ = 297025404560.

The previous prime is 742563511373. The next prime is 742563511421. The reversal of 742563511420 is 24115365247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742563511421) 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, 18564087766 + ... + 18564087805.

It is an arithmetic number, because the mean of its divisors is an integer number (129948614502).

Almost surely, 2742563511420 is an apocalyptic number.

It is an amenable number.

742563511420 is an abundant number, since it is smaller than the sum of its proper divisors (816819862604).

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

742563511420 is a wasteful number, since it uses less digits than its factorization.

742563511420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37128175580 (or 37128175578 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 742563511420 its reverse (24115365247), we get a palindrome (766678876667).

The spelling of 742563511420 in words is "seven hundred forty-two billion, five hundred sixty-three million, five hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 37128175571 74256351142 148512702284 185640877855 371281755710 742563511420