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106139442894 = 2353333771833
BaseRepresentation
bin110001011011001100…
…1110101111011001110
3101010222001002100121120
41202312121311323032
53214333144133034
6120432040341410
710445143243632
oct1426631657316
9333861070546
10106139442894
1141016a48451
12186a1a74866
13a01674c0a4
1451cc5aadc2
152b63218c49
hex18b6675ece

106139442894 has 16 divisors (see below), whose sum is σ = 216284148432. Its totient is φ = 34712270528.

The previous prime is 106139442853. The next prime is 106139442919. The reversal of 106139442894 is 498244931601.

It is a super-2 number, since 2×1061394428942 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 166885599 + ... + 166886234.

It is an arithmetic number, because the mean of its divisors is an integer number (13517759277).

Almost surely, 2106139442894 is an apocalyptic number.

106139442894 is an abundant number, since it is smaller than the sum of its proper divisors (110144705538).

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

106139442894 is a wasteful number, since it uses less digits than its factorization.

106139442894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333771891.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 106139442894 in words is "one hundred six billion, one hundred thirty-nine million, four hundred forty-two thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 53 106 159 318 333771833 667543666 1001315499 2002630998 17689907149 35379814298 53069721447 106139442894