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1887172096434 = 232781711307067
BaseRepresentation
bin11011011101100100001…
…110001111000110110010
320200102010021020111011220
4123131210032033012302
5221404412024041214
64002542131245510
7253225612101552
oct33354416170662
96612107214156
101887172096434
116683884a4999
122658b6149896
13108c6221a561
14674a7ca1162
15341529d79a9
hex1b76438f1b2

1887172096434 has 16 divisors (see below), whose sum is σ = 3774480211488. Its totient is φ = 629034695712.

The previous prime is 1887172096417. The next prime is 1887172096487. The reversal of 1887172096434 is 4346902717881.

It is a super-2 number, since 2×18871720964342 (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 7 ways as a sum of consecutive naturals, for example, 5486632 + ... + 5820435.

It is an arithmetic number, because the mean of its divisors is an integer number (235905013218).

Almost surely, 21887172096434 is an apocalyptic number.

1887172096434 is an abundant number, since it is smaller than the sum of its proper divisors (1887308115054).

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

1887172096434 is a wasteful number, since it uses less digits than its factorization.

1887172096434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334889.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 1887172096434 in words is "one trillion, eight hundred eighty-seven billion, one hundred seventy-two million, ninety-six thousand, four hundred thirty-four".

Divisors: 1 2 3 6 27817 55634 83451 166902 11307067 22614134 33921201 67842402 314528682739 629057365478 943586048217 1887172096434