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39628088620 = 2251981404431
BaseRepresentation
bin100100111010000001…
…001010010100101100
310210021202020110222221
4210322001022110230
51122124242313440
630112131245124
72602010124031
oct447201122454
9123252213887
1039628088620
111589602856a
12781b4497a4
133976cc6c63
141cbd039388
15106e020d4a
hex93a04a52c

39628088620 has 12 divisors (see below), whose sum is σ = 83218986144. Its totient is φ = 15851235440.

The previous prime is 39628088597. The next prime is 39628088653. The reversal of 39628088620 is 2688082693.

It is a happy number.

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, 990702196 + ... + 990702235.

It is an arithmetic number, because the mean of its divisors is an integer number (6934915512).

Almost surely, 239628088620 is an apocalyptic number.

It is an amenable number.

39628088620 is an abundant number, since it is smaller than the sum of its proper divisors (43590897524).

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

39628088620 is a wasteful number, since it uses less digits than its factorization.

39628088620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981404440 (or 1981404438 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 39628088620 in words is "thirty-nine billion, six hundred twenty-eight million, eighty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1981404431 3962808862 7925617724 9907022155 19814044310 39628088620