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28101005718 = 235451785909
BaseRepresentation
bin11010001010111100…
…110101000110010110
32200112101222222221120
4122022330311012112
5430022324140333
620524234024410
72013240415242
oct321274650626
980471888846
1028101005718
1110a10315575
125542b78106
13285ab24246
141508163422
15ae7068db3
hex68af35196

28101005718 has 16 divisors (see below), whose sum is σ = 56203696560. Its totient is φ = 9366721056.

The previous prime is 28101005701. The next prime is 28101005749. The reversal of 28101005718 is 81750010182.

It is a congruent number.

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, 284148 + ... + 370056.

It is an arithmetic number, because the mean of its divisors is an integer number (3512731035).

Almost surely, 228101005718 is an apocalyptic number.

28101005718 is an abundant number, since it is smaller than the sum of its proper divisors (28102690842).

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

28101005718 is a wasteful number, since it uses less digits than its factorization.

28101005718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140431.

The product of its (nonzero) digits is 4480, while the sum is 33.

The spelling of 28101005718 in words is "twenty-eight billion, one hundred one million, five thousand, seven hundred eighteen".

Divisors: 1 2 3 6 54517 85909 109034 163551 171818 257727 327102 515454 4683500953 9367001906 14050502859 28101005718