Search a number
-
+
542033202621 = 31491429848567
BaseRepresentation
bin1111110001100111011…
…00100100110110111101
31220211002020002122101210
413320303230210312331
532340040444440441
61053001232355033
754106042126521
oct7706354446675
91824066078353
10542033202621
11199969680789
12890719a5a79
133c1625012c1
141c33d84dd81
15e175d8a616
hex7e33b24dbd

542033202621 has 16 divisors (see below), whose sum is σ = 728071344000. Its totient is φ = 358678665408.

The previous prime is 542033202619. The next prime is 542033202647. The reversal of 542033202621 is 126202330245.

It is not a de Polignac number, because 542033202621 - 21 = 542033202619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542033202671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214480 + ... + 1063046.

It is an arithmetic number, because the mean of its divisors is an integer number (45504459000).

Almost surely, 2542033202621 is an apocalyptic number.

It is an amenable number.

542033202621 is a deficient number, since it is larger than the sum of its proper divisors (186038141379).

542033202621 is a wasteful number, since it uses less digits than its factorization.

542033202621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850148.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 542033202621 its reverse (126202330245), we get a palindrome (668235532866).

The spelling of 542033202621 in words is "five hundred forty-two billion, thirty-three million, two hundred two thousand, six hundred twenty-one".

Divisors: 1 3 149 447 1429 4287 212921 638763 848567 2545701 126436483 379309449 1212602243 3637806729 180677734207 542033202621