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38023789540 = 22511172835407
BaseRepresentation
bin100011011010011001…
…001111101111100100
310122010221110122101111
4203122121033233210
51110333042231130
625245021434404
72514156610162
oct433231175744
9118127418344
1038023789540
111514248a960
12745210ba04
13377c817469
141ba9d46232
15ec827302a
hex8da64fbe4

38023789540 has 24 divisors (see below), whose sum is σ = 87109045632. Its totient is φ = 13826832480.

The previous prime is 38023789513. The next prime is 38023789603. The reversal of 38023789540 is 4598732083.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86417484 + ... + 86417923.

It is an arithmetic number, because the mean of its divisors is an integer number (3629543568).

Almost surely, 238023789540 is an apocalyptic number.

It is an amenable number.

38023789540 is an abundant number, since it is smaller than the sum of its proper divisors (49085256092).

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

38023789540 is a wasteful number, since it uses less digits than its factorization.

38023789540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172835427 (or 172835425 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 38023789540 in words is "thirty-eight billion, twenty-three million, seven hundred eighty-nine thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 172835407 345670814 691341628 864177035 1728354070 1901189477 3456708140 3802378954 7604757908 9505947385 19011894770 38023789540