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1642712506050 = 23527111967711057
BaseRepresentation
bin10111111001111001010…
…010111001111011000010
312211001010110101121020210
4113321321102321323002
5203403233400143200
63254352434014550
7226452642625530
oct27717122717302
95731113347223
101642712506050
11583741425470
12226451117456
13bbba3c50465
1459717225150
152cae62c1650
hex17e794b9ec2

1642712506050 has 384 divisors, whose sum is σ = 5354888693760. Its totient is φ = 322870579200.

The previous prime is 1642712506007. The next prime is 1642712506073. The reversal of 1642712506050 is 506052172461.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 148562122 + ... + 148573178.

It is an arithmetic number, because the mean of its divisors is an integer number (13945022640).

Almost surely, 21642712506050 is an apocalyptic number.

1642712506050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1642712506050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2677444346880).

1642712506050 is an abundant number, since it is smaller than the sum of its proper divisors (3712176187710).

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

1642712506050 is a wasteful number, since it uses less digits than its factorization.

1642712506050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11786 (or 11781 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 1642712506050 in words is "one trillion, six hundred forty-two billion, seven hundred twelve million, five hundred six thousand, fifty".