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742065668842 = 21942719098823
BaseRepresentation
bin10101100110001101000…
…11111000001011101010
32121221101211110210011211
422303012203320023222
544124222302400332
61324522242343334
7104420036053321
oct12630643701352
92557354423154
10742065668842
112667877a7273
12bb99835ab4a
1354c90479b54
1427cb7d830b8
15144820c4447
hexacc68f82ea

742065668842 has 8 divisors (see below), whose sum is σ = 1113155858016. Its totient is φ = 371013716172.

The previous prime is 742065668809. The next prime is 742065668857. The reversal of 742065668842 is 248866560247.

742065668842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×7420656688422 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9510558 + ... + 9588265.

It is an arithmetic number, because the mean of its divisors is an integer number (139144482252).

Almost surely, 2742065668842 is an apocalyptic number.

742065668842 is a deficient number, since it is larger than the sum of its proper divisors (371090189174).

742065668842 is a wasteful number, since it uses less digits than its factorization.

742065668842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19118252.

The product of its (nonzero) digits is 30965760, while the sum is 58.

The spelling of 742065668842 in words is "seven hundred forty-two billion, sixty-five million, six hundred sixty-eight thousand, eight hundred forty-two".

Divisors: 1 2 19427 38854 19098823 38197646 371032834421 742065668842